Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com.

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Dear Dan,

I’m seeing many more surveillance cameras in shopping malls, restaurants, roads and even my workplace. I doubt that anyone is watching all these acres of footage, so why should anyone care about being recorded? Won’t the cameras’ ubiquity undermine their effectiveness?

—Bruce 

Don’t be so sure. Even if no one is watching the cameras’ video in real time, authorities can still use it after a crime has occurred to figure out who did what to whom. So please don’t start behaving badly just because you’re seeing so many cameras around.

Moreover, from a psychological perspective, surveillance cameras also provide a good mechanism for reminding us about morality. One of the most powerful motivators of honest behavior is our own moral self-evaluations (known to experts as “self-concept maintenance”). When we have other people (or cameras) around, they remind us about the people we want to be, which spurs us to behave more nobly.

An early demonstration of this principle came from research in 1976 by Edward Diener and Mark Wallbom, published in the Journal of Research in Personality, who showed that mirrors reduced academic dishonesty in students by making them more self-aware. In their experiments, students who took an exam in a room decked out in mirrors were less likely to keep writing after the bell rang than those who took their tests in a normal classroom. Similarly, surveillance cameras—particularly if they’re clearly observable—should increase self-awareness and, with it, better behavior.

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Dear Dan,

My closest friend since childhood recently betrayed me, after decades of trusting friendship. She has apologized sincerely, but all the confidence I had in her is still tainted. Is it rational (or helpful) to forgive people who have hurt us?

—Jamie 

While it isn’t clear whether your friendship can fully recover from this incident, you clearly would be better off if you could forgive your friend. Research has shown that our health improves when we free up mental space from grudges and hate.

In a study published in 2003 in the Journal of Behavioral Medicine, Kathleen A. Lawler and colleagues interviewed 108 college students about a time when a parent or friend had deeply hurt them and measured their blood pressure at several points during the conversation. Subjects who forgave their betrayers had lower levels of blood pressure than those who hadn’t been as lenient. Even more important, college students who had more forgiving personalities overall turned over to have lower blood-pressure levels and heart rates.

Of course, forgiveness isn’t easy, but if you can pull it off, it brings real benefits.

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Dear Dan,

I go out to dinner with my husband once a week, and every time, we promise to order something healthy—but when we see the menu, we get tempted and order something less virtuous but tasty. Any advice on how to show more resolve?

—Aimee 

You are describing a classical case of temptation. Before you get to the restaurant, you’ve settled on a certain idea of how you want to behave—then you get tempted, and afterward, you regret your indulgences. So how can you override temptation? Just order for each other. When we order for our significant other, we aren’t tempted by taste and can instead think about their health—which is also what our spouse would want a few hours later.

See the original article in the Wall Street Journal.

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Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com.

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Dear Dan,

My daily commute takes about 40 minutes each way—and it feels even longer because so many of my honking fellow drivers are selfish and aggressive. How can we get drivers to show more respect for those around them?

—Jamie 

In a word: convertibles. If we all drove rag tops with the roof down and no windows to shield us from fellow drivers, we would be far more aware of social norms and more likely to behave with some consideration for others.

Driving often brings out the worst in us, and it can be shocking to see how myopic, self-centered and unaware we become behind the wheel—from driving recklessly to cutting into lines to picking our nose.

All of this is much worse than our typical behavior when we, say, walk down a crowded public street. Pedestrians aren’t always polite, but they certainly don’t exhibit the same type of risk-taking and selfishness. Being in proximity to other people makes us more aware of our own standards of decency, and we behave accordingly.

Noise-blocking (and often darkened) windows and the controlled environment of a car create an illusion of isolation, separating us from other drivers. It lets us feel that our actions are unobserved, which makes it easier for us to ignore our own standards.

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Dear Dan,

How can I overcome my hot-and-cold attitudes toward my romantic partner? Sometimes I’m convinced that we aren’t compatible, but at other moments, I feel perfectly content with our relationship. Are these fluctuations normal?

—Tina 

All relationships oscillate between good and bad—it’s just part of the deal. The question for you is whether the downsides that you are experiencing are worth it for the upsides—and whether you can deal with the fluctuations.

What I can tell you is that you shouldn’t make big decisions about the future of your relationship when you’re experiencing its bad side. When we are in a particularly strong emotional state, we often find ourselves consumed by that emotion and incapable of seeing how we could feel differently.

But emotions are transitory, and they often change more quickly than we anticipate. So assess your relationship only when you are calm and content. You’re more likely to find the right answer when you’re thinking clearly, not emotionally. Good luck.

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Dear Dan,

I recently bought an adjustable standing-or-sitting desk, but I find that I lack the motivation to consistently stand. Any suggestions to get me on my feet more?

—Tim 

When you work at a standing desk, you sometimes naturally feel the need to sit down—and once you do, of course, you’ll rarely feel the urge to stand back up. I suggest setting a timer that reminds you once an hour to put your desk back in standing position, then stand for as long as you want.

This way, you won’t sit forever. Those hourly reminders to get vertical again will probably make you more likely to stand periodically, even when you aren’t feeling the urge.

See the original article in the Wall Street Journal.

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com.

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Dear Dan,

Before we got married four years ago, my husband and I would give each other amazing, thoughtful birthday gifts. After we got married and set up a joint bank account, our birthday presents stopped being exciting or original—and recently, they stopped altogether. Now we just buy things we need and call them gifts. Is this deterioration because of the shared bank account, or is it just the story of marriage?

—Nis 

Some of it, of course, is how marriage changes us once we’ve settled down. But the shared bank account is also important here, and that part is simpler to change.

In giving a gift, our main motivation is to show that we know someone and care for them. When we use our own money to do this, we are making a sacrifice for the other’s benefit. When we use shared money, this most basic form of caring is eliminated. We are simply using common resources to buy the other person something for common use—which greatly mutes a gift’s capacity to communicate our caring.

The simplest step to restore some excitement to your gifts is to set up a small individual account for each of you for your own discretionary spending. The longer, harder discussion is how to get marriages to sustain passion longer.

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Dear Dan,

I recently started investing in the stock market. I know that people who manage to outperform the market buy stocks and then don’t look at their performance for a very long time. But I can’t stop looking at my portfolio every couple of hours. How can I keep myself from peeking so often?

—Edwin 

Curiosity is a powerful drive, and it can lead us to expend time and effort trying to find out things that we’re better off not knowing. Curiosity also can create a self-perpetuating feedback loop, which is what you are experiencing: You think about the value of your portfolio, you become curious, you get annoyed by not knowing the answer, and you check your investments to satisfy your curiosity. Doing this makes you think about your stocks even more, so you feel compelled to monitor them ever more frequently—and then you’re really caught.

The key to getting a handle on this habit is to eliminate your curiosity loop. You can start by trying to redirect your thinking: Every time your mind wanders to your portfolio, try to busy it with something else, like baseball or ice cream. Next, don’t let yourself immediately satisfy your curiosity. For the next six weeks, check your portfolio only at the end of the day—or, better, only on Friday, after the markets have closed.

All of this should let you train yourself to not be so curious—and not to act on the impulse as frequently. Over time, the curiosity loop will be broken.

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Dear Dan,

Have you found any small tricks you can use to make yourself happier?

—Or 

At some point, I managed to record my wife saying that I was correct. That doesn’t happen very often. I made this recording into a ringtone that plays whenever she calls my cellphone.

This not only made me happy when I was able to get the initial recording but also provides me with continuous happiness every time she calls.

See the original article in the Wall Street Journal here.

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com.

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Dear Dan,

We grow lots of tomatoes in our backyard garden, and we eat or freeze all of them. Each year, our neighbors hint about wanting some share of the bounty. We like our neighbors and occasionally socialize with them, but we fear that sharing our tomatoes will create an expectation for subsequent years. We also worry that such a gift would suggest the tomatoes are free when they actually cost us dearly in time and effort. Are we right, or are we just stingy tomato-hoarders?

—Martha 

You’ve got a point. Just giving your neighbors the tomatoes that they covet will indeed encourage them to take for granted the work that goes into growing them. It will also create the expectation of future installments.

You could try to pre-empt the issue altogether by complaining demonstratively to your neighbors at the start of each growing season that you fear you won’t be able to grow enough to meet your own needs this year. But that would be dishonest.

Here’s a better approach: help your neighbors to experience firsthand the effort involved. This season, pick a weekend when you’ll be doing a lot of arduous garden work (maybe tilling the soil) and invite the folks next door to help out.

This will lessen your own workload and let them see how much sweat goes into gardening. You will then feel better about sharing some of the tomatoes that they will have helped to grow. Maybe your neighbors will learn to like gardening enough to start their own garden—and will share their own crops with you next year.

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Dear Dan,

When I pay someone a compliment, they often say something along the lines of “Thank you, but your house is beautiful too” or “Thank you, but your children are also so accomplished.” This makes me feel that my compliments aren’t being taken as genuine expressions of esteem but instead are seen as a sign of my own low self-esteem or an attempt to fish for accolades myself. I find that I’ve stopped complimenting people altogether. Should I?

—Irene 

What’s happening here is best explained by the principle of reciprocity: When someone does something nice for us, we feel compelled to return the favor, often in a similar way. With compliments, the easiest way to reciprocate is to promptly return them.

This yearning for reciprocity is deeply rooted in our evolutionary history. It has long helped to strengthen social bonds. So when people quickly compliment you back, it isn’t a response just to you; it’s human nature. They don’t think you need the emotional boost, but they do feel the need to reciprocate.

The upshot? Don’t take this personally, let alone badly. Even more important, don’t stop giving compliments. Praise is free, and it makes people happier, so offer it to others whenever you can and enjoy it when it comes your way.

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Dear Dan,

I’ve heard that you just turned 50. Is there any good news about getting old?

—Ron 

Yes: Our eyesight deteriorates. Everything turns out to look better slightly blurry and without details, particularly other people’s faces.

See the original article in the Wall Street Journal.

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com.

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Dear Dan,

A friend told me recently that wearing a bike helmet is actually more dangerous than not wearing one because those who wear a helmet take more risks, which outweighs the benefits of having their heads protected. Should I tell my kids to stop wearing helmets?

—Phil 

Definitely not, but the question is a complex and interesting one. The real issues here are: what kinds of injuries helmets can prevent, how wearing a helmet alters our behavior and how our risk-taking changes over time.

Let’s think for a minute about a related case: seatbelts. When drivers, pushed by legislation, began to wear seatbelts as a matter of course, they might have felt extra-safe at first, making them think that they could get away with driving more aggressively. But after a while, as wearing a seatbelt became fairly automatic, that sensation of cocooning safety subsided. The tendency to take extra risks subsided too. So the full benefits of seatbelt use only emerged after we got used to wearing them all the time.

The same can be said about helmets. When we initially put one on, we may feel overconfident and cut more corners with road safety. But once helmet-wearing becomes a habit, we should revert to more prudent behavior, which will let us realize the helmet’s full benefits. That’s especially important, of course, with children.

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Dear Dan,

I’m finding dating tricky these days. I’d like to show some chivalry, but it isn’t clear how to do that. Try as I might to pay the bill for dinner as a sign of respect and care, the women I’ve been out with seem to want to split it. Any advice?

—Ron 

Acts of chivalry are acts of respect. They aren’t about practicality but about doing something kind for the other person. So I would suggest instead that you open the car door for your dates.

Decades ago, when car doors had to be unlocked manually, it was customary for the driver to open the door for the passenger. These days, when car locks release with a click and a beep from a keychain, doing so seems like a pointless gesture.

But that only makes it a stronger signal of chivalry: You don’t have to open your date’s door to let her in or out, but by choosing to do so, you offer a true act of consideration and caring. And it’s not only a nice gesture–it’s cheaper than picking up the tab.

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Dear Dan,

Why don’t people bike more? Bicycles are amazing vehicles—fast, efficient, easy to park, good for our health and our planet. What’s holding us back? 

—Ziv 

Simple: hills. Bicycles are fine things, and technology will no doubt continue to make them lighter, faster and safer. But all of these improvements aren’t likely to overcome our laziness—our deep-seated desire to move through the world with as little effort as possible.

See the original article in the Wall Street Journal.

Here’s my Q&A column from the WSJ this week — and if you have any questions for me, you can tweet them to @danariely with the hashtag #askariely, post a comment on my Ask Ariely Facebook page, or email them to AskAriely@wsj.com.

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Dear Dan,

I’ve been drinking soda for the past 15 years, and I’m trying to stop. I’ve tried phasing it out by switching to water some of the time and having a soda here and there, but I usually cave in to temptation by the end of the day. Is there a better strategy?

—Andrew 

Getting off soda gradually isn’t going to be easy. Every time you resist having one, you expend some of your willpower. If you’re asking yourself whether you should have a soda whenever you’re thirsty, you’ll probably give in a lot and gulp one down.

So how can you break a habit without exposing yourself to so much temptation and depending on constant self-control to save you? Reuven Dar of Tel Aviv University and his colleagues did a clever study on this question in 2005. They compared the craving for cigarettes of Orthodox Jewish smokers on weekdays with their craving on the Sabbath, when religious law forbids them to start fires or smoke.

Intriguingly, their irritability and yearning for a smoke were lower on the Sabbath than during the week—seemingly because the demands of Sabbath observance were so ingrained that forgoing smoking felt meaningful. By contrast, not smoking on, say, Tuesday took much more willpower.

The lesson? Try making a concrete rule against drinking soda, and try to tie it to something you care deeply about—like your health or your family.

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Dear Dan,

I’ve been living with a roommate for six months, and we divide up the household responsibilities pretty evenly, from paying the bills to grocery shopping. He says, however, that he feels taken for granted—that I don’t acknowledge his hard work. How can I fix this?

—C.J. 

This is a pretty common problem. If you take married couples, put the spouses in separate rooms, and ask each of them what percentage of the total family work they do, the answers you get almost always add up to more than 100%.

This isn’t just because we overestimate our own efforts. It’s also because we don’t see the details of the work that the other person puts in. We tell ourselves, “I take out the trash, which is a complex task that requires expertise, finesse and an eye for detail. My spouse, on the other hand, just takes care of the bills, which is one relatively simple thing to do.”

The particulars of our own chores are clear to us, but we tend to view our partners’ labors only in terms of the outcomes. We discount their contributions because we understand them only superficially.

To deal with your roommate’s complaint, you could try changing roles from time to time to ensure that you both fully understand how much effort all the different chores entail. You also could try a simpler approach: Ask him to tell you more about everything he does for the household so that you can grasp all the components and better appreciate his work.

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Dear Dan,

Is it useful to think about marriage as an investment?

—Aya 

No, because the two things are profoundly different. You never want to fall in love with an investment because at some point you will want to get out of it. With a marriage, you hope never to get out of it and always to be in love.

See the original article in the Wall Street Journal here.