I've always loved squeezing myself into tight places, but I have a huge fear of a tight tunnel collapsing on me. If it's a subway tunnel or something it's fine, but really tight tunnel where you might get stuck is pretty scary.
Ethics committee? One member is getting spanked by a hooker in a motel room and one lost her virginity to a dog :D That's your ethics committee.
Not studying the subject doesn't make any sense, people are gonna do it anyway.
Ask your master to control your toilet visits, it might just happen that you end up peeing your pants because you really need to relieve yourself. ;)
That has converted at least one person in to watersports, she was handcuffed to the bathroom radiator and had to wait for a permission to go...