Ask Ariely: On Kopi Luwak Coffee, Financial Advisors, and Christmas Cards

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. ______________________________________________________ Dear Dan, During a recent trip to Los…