10) When you find your dive buddy is your recent ex-spouse!
9) They ask “How does this gear go together”
8) He/she leave the boat 15 minutes before you.
7) He wants to practice CPR on you while your loading the boat.
6) You notice they are not wearing an octopus.
5) He tells you that he knows you saw him on “America’s Most Wanted” the night before.
4) They ask “How often do I have my tanks filled?”
3) He ask you how he looks in the queen size pantyhose in front of a group.
2) He tells you that he was at the KLAN meeting last night. (and you’re black)

1) When you run out of air at 100 feet, and he swims away from you.