Sad and help crying I hate emotional feelings

Christina • Starting to be a single mom :(
Does anyone know how to deal with being pregnant nd trying do this whole 9 months alone when your support system left you hanging with the baby but still wants to see the baby but look at it this way he spit in my face and laugh about it help advice please:( Need to know if I should do child support I never been thou this.. It's my first baby :(