Something happened to me this past week that I can only describe as a social media nightmare. Oh, who am I kidding? I actually did this horrifying thing to myself and have no one/nothing else to blame. And, from the moment I realized the atrocity I’d committed, I’ve been trying to figure out how to undo it—or (worse?) how to explain myself to the person on the other end. I’ve always told my two oldest children, now ages 18 and 13, that anything they put out via the interwebs, Snapchat/Insta/Facebook, email, text messages—ANYTHING ELECTRONIC, FOR THE LOVE OF GOD!—could be there forever, and they have no control over what happens…