I don’t know what to do! Xxxx

I’ve been with my partner for 6 years he was an amazing dad with my daughter at first then he started drinking then quit for himself then treated me like crap when he was drinking but now he’s losing his bond with his children who has now got parent preference and they’re all me well my daughter is as my son isn’t born yet but I don’t know how much longer I can do this as he’s doing nothing as a parent I feel like a single mother right now it’s been happening for months now and I don’t think he loves me anymore or cares either I’ve had to do everything myself and buy everything myself too he’s not sexually or physically abusive but he’s mentally financially and emotionally abusive which I’d rather not get into claims he loves me but I’m pretty sure he’s cheating on me too I want to leave him but we have nowhere to go and I’m not mentally prepared for anything by myself I can’t even cook I’ve been isolated too so don’t go out either Havent for ages don’t get time to wash or sleep and he makes me feel guilty for buying my own pregnancy cravings and getting myself a little gift I just don’t want to be honest with him as he gets angry a lot and gaslights and manipulates me so I’m stuck I don’t know what to do anymore my daughter loves him but I can’t let her see the toxic relationship she hasn’t seen anything yet but i don’t want it to get to that I’ve had enough but it’s so hard to do I need help xxx