Almost everyone I know is guilty of it: You're enjoying a beautiful day off, perhaps on a blanket in a park with a book and a beer while friends toss a Frisbee nearby, feeling happy and fulfilled with the sounds of being outdoors on a Saturday -- when all of a sudden you think, "Maaayyybe I'll just check Instagram real quick and see what everyone else I know is up to."
To describe it as a thought, even, ascribes too much consciousness, too much intent to the act. No, for most of us, checking our phones is reflexive at this point -- a sort of modern day touch-of-the-rosary-beads, only in this case you're counting on Facebook, Twitter or Tinder for a sense of security, as opposed to any religious deity.
Well, artist Ivan Cash has a message for you: Cut it out.