It is not wrong of me to want to move on even though he needs help, right?
No. It's not. And I second the suggestion to find an Al-Anon meeting. Because you're stuck in the "reality" created in an alcoholic marriage. And you're right. In the
real world, his behavior is not something you would put up with. But we all have.
You have the right to live your life. He has the responsibility for his.