New mom

So baby is two weeks old today. Its crazy how I helped raise my little brother, my niece and nephew. I also volunteered in my church nursery for a few years. And here I would get panic attacks and anxiety for the simplest things with my baby like, changing his diaper and feeding him. Why do I feel so bad when he spits up? It maybe because I gave up breastfeeding in the hospital and I still feel a little had about it. But I get so worried watching him sleep and wondering if he is uncomfortable, going to spit up soon, or has he taken one too many poops today. Oh this anxiety, how long does it last? We see the pediatrician again this week. Maybe i just need some reassurance.