This is a post about those people. You know who they are. They're the people in Social Media who pretend to be your friend, but who really aren't. Rather, they hang around long enough to suck the sincerity out of you to feed their own desire to harbor spite and resentment. Sure, it could be said that because so many of us don't know each other IRL, that none of us are 'really' friends. And maybe that's what's wrong. You…