Its the same psychological response. Eventually your body and brain make you enjoy what hurts you if it becomes your nor

With sex, that I can understand.

With Torture...Nah, I don't see people enjoying torture unless they're really into that sort of thing.

Do a modicum of research. The human brain can do alot to protect itself. Thats why most tortures are switched up. Once your brain gets used to a thing, it can protect itself from it