- Me: Hmm. I just washed my hands with dish soap, and I don't think I rinsed them enough. Feels like there's still some soap on them.
- Brain: you should stick one of your fingers in your eye!
- Me: what?
- Brain: if your eye starts stinging, you'll know there's still soap on your hands!
- Me: or I could just rinse them again.
- Brain: I guess that could work too.
