Originally Posted by CoefficientX

Several years ago went out to lunch with the captain. The place we chose offered 20% discount to crew members. Both of us left our ID's at the hotel. The server stated no ID = no discount. The captain spent ten minutes essentially bullying her to the point of being annoying. She finally caved and agreed to give us the 20% discount.

Upon finishing his entire meal, plate clean, everything devoured the captain declared to me his meal was unsatisfactory and would not be leaving her a tip. I kept quiet and left more than enough tip to cover both of us.