Pregnant because you have an easy baby?

Do those of you trying to get pregnant/already pregnant just have really good babies or what? I'm really not trying to be rude but I just dont know if my baby is just difficult orrrr? My life is still hell (I love him so much dont get me wrong. I'm coping it's just hard. Hell might be dramatic). He wakes up all night and is grouchy and clingy all day. I havent been able to leave him for more than 3 hours since he was born because he refuses all bottles. I never get me time because on top of being a SAHM I run my own small business from home. I just cant imagine doing this pregnant or with a newborn. This child has been difficult. The pregnancy was difficult. I think the universe is telling me not to have anymore. (I have a 5 year old as well). Is your baby just better or are you just pushing through it anyway?