THINGS PEOPLE CAN HAVE THAT GO AWAY

  1. Hiccups
  2. Cramp
  3. Boner
  4. Bruise
  5. Tan
  6. Certain pets
    I've had a few fish that disappeared...
  7. Children who grow up. (sigh)
    Suggested by   @nnadich
  8. A great idea. (When you think of it, write it the fuck down.)
    Suggested by   @voxman