Good job on three days. That’s a start and there’s definitely a hump to get over. Things will get better every day. Alcohol withdrawal and guilt have a sitter just take affect, as you get sober not only will everything start coming together, but you’ll feel better overall keep up the good work!
By the way, AA is a great place to start. You will probably find out that there’s people that have hit lower rock bottoms and yourself. Going to your first meeting would 100% be beneficial, even if you never go again.