1. The sudden need to poop
  2. That blister you feel forming
  3. You don't wanna be too exhausted at work later
  4. You ate recently, don't wanna throw up
  5. Not knowing how to properly use weights
  6. That asshole with washboard everything who wants to work in with you and ups your weights like 50 pounds whenever he takes over your machine.
  7. You forgot water
  8. You don't want to be sore
  9. You're stoned
  10. You don't want to miss real housewives again