It sounds counterintuitive, right? As we approach Thanksgiving, we aim to be thankful for the wonderful folks in our lives The ones who are there for us when we need them. The ones who lift us when we hit rock bottom emotionally. So you might be wondering why in the world I'm suggesting we should be grateful for the naysayers, the toxic folks, the unredeemable narcissists. Well, if we didn't have people like this in our lives, we would never come to appreciate those who embody the exact opposite qualities -- decency, respect, humility, and integrity, among others. That isn't to say that you should keep these folks in your life unnecessarily. Sometimes we need to put up with them for a job (the tyrannical boss) or for someone else's sake (the meddling in-laws). But when someone is that unpleasant, it's easy to draw a contrast between them and the individuals you've come to respect and admire, e.g., sweet Sue in human resources or your boyfriend's caring cou...