2nd Day of Slurring Dad, 1.5 to Go

First and second day Dad paced with husband, we had fun. Yesterday and today, he got all slurry drunk, as he does.
The longer I stay on my visit the more my eye focus in on the signs of his alcoholism. These newly sober eyes. Yesterday he only ate breakfast and then drank all day. Today sitting next to him in the bar I noticed he had deformities on his nose - he has a real gin blossom! He talks of his ailing health with a sigh, claiming it sucks to get old. He has nothing in his fridge besides condiments and beer. He upper arms are so skinny and his belly big. Drinking is definitely shortening his life.

It makes me so sad to bear witness to it while smiling and being the devoted daughter that came to visit him so he can introduce me to all his friends. I felt so embarrassed and obligated to meet him drunk at the bar at 6pm today with Husband and Visiting Friend (Came here to see us from Bogotá) Dad slurring, his same stories and questions on repeat every 5-10 minutes. He proudly introduced me to his favorite bartenders and told me their whole backgrounds as though they are his good friends. He tries to be funny and chummy by gossiping and telling inappropriate jokes that are often bigoted and misogynistic. Embarrassing. Sad. Will not be me.

There is nothing I can do that will change his behavior, and I don't try because if I do, he will write me off as another female that tried to tell him what to do and I would loose the relationship that I do have with him. I know he cares about me deeply but it has been limited so severely by boundaries of his drinking.
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Going to bed saddened. Going to bed so thankful that I'm sober.