Need advice

I am stressed out depressed and can’t stop crying and can’t eat my baby father is in jail he usually calls me but he didn’t he say I need to grow up bc I called his sister for advice bc his ex called me n text me saying he called her and they been otp and he told her he miss and love her but he telling me to calm down me and him together I just feel like I wasted my time and he’s playing mind games bc I really love him n atp I don’t know what to do I’m tired of being cheated on and played under n being nice to people my baby is due in 3 months since ge been in jail I been by his side for the past two months the ex up and left him honestly don’t know what to do I feel as if I’m never good enough or never will be good enough for anybody and I will be left alone to raise our child on my own already been going through the pregnancy alone plus he hasn’t been to not one appointment not to mention he admitted to saying he miss her I just don’t know what to do in this situation any advice?