How do you love yourself

I hate posts like this and normally I would never be the one to post it because it just feels like I'm seeking attention but I'm starting to break. I'm losing myself I'm not the same person I used to be I'm bitter and sometimes cold I don't think before I speak I feel so depressed and empty I just want to sit in the dark I used to be one of the happiest ppl you'd ever meet nothing would upset me and it took allot to make me angry but something in me has changed so much I hate myself I'm ruining my relationship. I won't let my. Husband touch me I want the passion back but it's hard when I won't let him be passionate IDK what to do why am I shriveling up like this I miss the old us IDK how much more of this he will put up with ik he loves me to death and he says he's not giving up and neither am I we both fear one leaving the other it's not. Postpartum. I have a 17.month old and Ik m currently pregnant this started about a month maybe 2 months into my first pregnancy I'm currently 25 weeks pregnant with #2 I've been with this man since I was 16 I'm 20 now I love him more than anything and I don't want to lose him I just want to fix this I want us to be us again he's trying and I'm trying but I just IDK IDK what to do anymore pls help. Me anyone