Hmm, I've got a different take on this based on my own experience. I'm an only child. My Dad was a strong character and prided himself that once anyone put his nose out of joint, that was it. He was finished with them forever.
I grew up with parents that adored and smothered me. Put me on a pedestal. The trouble with that is the disappointment was unbearable when I in their eyes 'screwed up'. I couldn't wait to save up and leave home on my own, which I did.
That's the back story. Move on to 6 years ago and I'm now diagnosed with epilepsy and I have a 3 year old daughter with learning disabilities. My parents rent a flat so they can be near me during the week to 'look after me'. I didn't ask for this
and its the same old hell.
One day, DD repeatedly pats my Dad's trouser leg to get his attention (she couldn't speak at that time). Dad completely lost it and went for her. I think I let go some prem-evil maternal rage and scooped her up. The row was unbelievable and I ordered my Dad out of my house. He didn't speak to me for months. Not even over Christmas and I did try hard. He did still see the kids.
Later we found out he had lung cancer and he died a few months after being diagnosed. We didn't know he must have had the cancer when we fell out. His calcium level would have been low and would have made him more irratable. True to form, treating me like a child, I wasn't told he was termally ill until it was very obvious. Although, I'm no fool, I knew from the beginning. So I couldn't talk as openly as I would have liked.
Thankfully, I insisted I was with him in the end. Dying wasn't how my Dad had expected to be, but it was peaceful. He thought he could just decide not to wake up one morning. That's how stubborn he was.
My point is, parents are along time dead. You're afraid of being let down and hurt, I can understand that. You are also worrying that rejecting him will affect his alcholism, so you do care alittle about him. Can you be brave and give your Dad another chance.
Sorry for very long post.