So fucking tired

Going on week 4 of baby waking every 45 minutes over night. He woke up at 3:30 and threw a fit that i wouldnt feed him(wasnt time for him to eat) and stayed awake until it was time for him to eat. Then he pooped. So now he's super awake and we've been awake for an hour and a half right in the middle of the night. Sometimes i swear i want to be human and leave him to cry himself to sleep but noooooo, i have to be a caring and stupid mom all the time. Im just so beyond exhausted and not being able to sleep even 30 minutes at a time.