Rude! From dealing with kids to grownups, not receiving a thank you is a major bummer. Here to share tips on how to deal with this particularly personal brand of snub are Catherine Newman, Real Simple's Modern Manners columnist, and Elaine Allison, author of the book The Velvet Hammer: PowHERful Leadership Lessons for Women Who Don't Golf. Allison is also a former prison guard and airline hostess. We'll find out who says thank you more, criminals or entitled airline passengers.
 
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