Need answers now why dose my bf dose not get help with his dad he gets beat?

one time too he hit me why did he do that he just want to sleep with me but i said no but he just keep on tell me too so i did it and now i feel like i am preganany and i cant be i am olny 16 and if i am i dont want him hit me when i am i need help but now i love this guy he need help how do i get him help its bec his dad thta why he hit me u think