i’m 19 years old and my baby is 3 weeks old and i’m a single mom,my son dad does absolutely nothing but come see him him every other week and stress me out,i’m literally losing my mind,my baby stays up all kind of hours and cries and won’t stop,this is so hard all i can do is cry i didn’t ask to be put in this position it’s getting so hard i feel so bad because i want to be a strong and better mom for my son but i’m just breaking and i feel so depressed, i don’t want to say anything to family because i’m ashamed and just sad... any advice?