Sounds like your bf needs to put his foot down. That's not right at all. Maybe get him a small blowup mattress and put it on his dad's side of the bed.

oh no, that would not fly well with me. sounds like a tough situation for sure. he definitely needs his own little space.

that's the thing though we just moved into a one bedroom house because that's what he wanted so his kid doesn't have a bed and we only have him 4 days a week so he has to but when we lived with him mom if he crawled in bed with us I just moved to the couch well I can't do that here because we don't have one yet the kid isn't even potty trained yet hes still in diapers -.-

3 and he never talks about this baby every its always alll about his kids but never about mine because she technically isn't his

His son shouldn't be sleeping in be with you and him. tell him that he could possibly kick your stomach and stuff, it isn't safe for the baby and it's not a good habit either. and it's one thing to sleep in bed with his parents if they were together but not his father's partner. my mom always watches her boyfriends grandkids which are old enough to know better and the one girl always wanted to sleep in bed with them and my mom kept telling her boyfriend that it isn't right for the little girl to sleep in bed with her grandfather and his partner, and he was always saying my mom didn't like her and stupid stuff. but it can be really annoying. I'd say next time he gets in bed with you guys, take him back to his bed and keep doing it no matter how tiring it can be so he knows who's boss.

how old is his son?