If he blocked you several times then “things aren’t going very well”. Also him getting drunk is a major red flag. Getting drunk is not “social drinking” as you referred to it. His behavior is of an abusive person and likely a person with substance abuse issue. And why do you need him to tell you if you are broken up. Decide yourself if you want the kind of nonsense in your life

You keep saying mature people don’t act like him. That’s correct. That’s why you need to date mature people. He isn’t the one. You can’t change him to behave better.