Not much. I operate of the mind, "things I should finish but rationalize myself out of completing". But there are a few..
  1. My story
    I always remember where I was going. I don't care how sidetracked this conversation has gone, I'm finishing or I might explode. (That's what she said).
  2. Ice cream
  3. Songs on the radio, even if I don't like them
    If I don't change the station IMMEDIATELY I feel compelled to let it finish. I do it automatically, when I catch myself I'm like, "what is that?!"
  4. A fight
    I can't continue on without it being settled. Cannot sleep on it. Let's finish this now.
  5. Someone else's sentence..
    ..when they're a slow talker