Expecting your first indie release to be perfect is putting insane expectations on yourself. The worst things you can do at this point are to give up or fail to reflect on what you’ve learned. Think on what you would have done differently with what you know now - and then do not waste the lesson.
I used to do a whole pot of coffee a day. It was definitely a rush. At other times I’d drink like 2 litres of yerba mate every day. Would mix it with peppermint. I was a little out of control.