My boyfriend only likes to have sex when i dress up in a scooby doo costume?

He doesnt like normal orgy sounds he only likes if i scream "ruh-roh" and then the gets on my back and we run around the house solving mysteries and everytime i cant find a clue he slaps my tail and drives his 2 inch pee-pee in my bum. he also feeds me doggy snacks also pinches my nipples with clothing pins and uses eggplant to rub my p*ssy what sho0uld i do to stop this? the next costume he wants me to use is spiderman.....

yo yo is this uh neccessary what are yall ten year olds havn sex i mean forreal