Most of the passengers are terribly old, but often the crew like to dive. I'm incredibly lucky. I often find myself in places that most people would have to pay a fortune to visit. Once qualified as a diver, Lichfield started taking his teenage son and daughters under water. This helped him sharpen up his own diving.
Children pay no attention to buddy discipline.
They do such silly things. They would torment him by ignoring his instructions when diving one of the local wrecks. There's nothing you can do under water. Nothing too unpleasant, of course, but I think it's quite good to get a bit of a shock. Teenagers are likely to forget things - like doing deco stops.