Lelarose have you considered co-sleeping?
My baby was very hungry and with a little practice we got to the point that he would feed during the night without me even waking up. I would feel almost normal when I got up in the morning even though he would have fed every couple of hours. And I would make DH get up to do the nappy changes.
Sleep deprivation does terrible things to everyone. We all think dark thoughts when all we want to do is curl up in a ball and be left alone to sleep. It is a new mother's prerogative to feel knackered, sorry for herself and to wonder "why have I done this, why me" and infinite variations thereof. One of my friends screamed "I hate you" to her 5 month old daughter in a battle over naptimes and felt awful afterwards but really, the babies never know about it, and it does no harm. I don't think she was a terrible person for that, I think she was just really really tired.
You are tired because you are being a mother, you are looking after your child, even though you are on your knees. That is not anyone's definition of a terrible person or a failure.
Try to hold on to the knowledge that this debilitating tiredness WILL go. You're still in the middle of all of the brand-newness of it all, when everything is scary and your body is desperately trying to recover from the C-section. Give yourself a pat on the back for getting through these first 7 days, and I promise that you will
be surprised how quickly the routine stuff become less scary. You'll get to know your baby, when he gets cranky, what he likes, and before you know it you will have an arsenal of tricks up your sleeve that help you to cope. And then he will start smiling at you. But for now it is a steep learning curve, but you will get there. I have huge amounts of faith in you Lelarose that you'll get through this bit too.
Does your baby stop crying if you feed him? If so, would you be happy to plug him on for extended periods for a quiet life? He might be doing that thing of feeding a lot to get your supply up, if so it's not worth fighting.
It will get better. And soon, I promise.