Yes and yes . . .
It does take a long time of grieving and intense intense pain after going no-contact with him. But it does get better. You won't be better in a week nor a month but you will heal.
Also this is very normal for an alcoholic to blame their partners. It's called gas lighting. At the top of this forum is a bunch of stickies that are a mish mash of the best posts here on SR. Go to those stickies and look for ones on blaming or gas lighting.