question, answers and help

my boyfriend has a child from a previous relationship who's autistic we had an ectopic pregnancy in May.. he no longer wants kids or sex unless I'm giving him a blowjob he wants me to just sit in the house all weekend when we have his son and watch his son play video games and him watch YouTube videos all day I say I'm gonna go out and do something I'm told yup leave you never wanna interact with me and mine I pay for everything in the house I mean everything plus cook clean and do laundry no appreciation whatsoever I say a thank you goes along ways so what now I'm unappreciative Because I don't say thank you no your unappreciative Because you sit on the couch while I work 12 hours a day come home cook and clean you work 8 come home and play video games that's why I'm pissed long story short I told him I'm done I can't keep doing this he says you leave I will sign my rights to my son over to his ex and off his life I need advice help a friend something