not doing enough

I’m 4 days postpartum and my partner and I had some issues with fighting before the birth of our son, and some of them seem to have gotten better but we still fight. and he keeps telling me that I need to change him more, and he said I get “pissed” when my son is hungry and I have to feed him. I don’t get pissed I’m just a very exhausted new mother, and sometimes I ask for a second to get ready to feed him. no more than 2 minutes. My partner is really making me feel like I’m not doing enough, which ive already been worrying about already. I’m worried I’m not bonding with my baby. Im worries he doesn’t like me. I’m worried that he’s not getting enough milk. I’m worried he doesn’t know me.