1. That server you're dating? They can carry the weight of the world in their hands.
2. They have INCREDIBLE reflexes. They never let ANYTHING hit the floor.
3. Nothing disgusts them anymore.
4. They can easily drink you under the table.
5. When you go out to eat, they don't hold the waiter up with dumb questions. Then at the end of the meal, they even reflexively stacks the plates.
6. You recognize their work clothes by the many mysterious stains.
"Is that ketchup or blood?"