The most dreadful time of the year is finally upon you, when you get together with those people you judge the most in the world, so that you could mentally bitch about all their obnoxious quirks while chewing your turkey to death. You don’t mean to judge, of course. You’re a good person. More than a good person, actually. Normally you are generous, kind, self-aware, open-minded, and capable of taking the high road whenever the…