Hmmm. Ellison disputes some of their recollections about City, especially about him being drunk, since he doesn't drink.
Ellison goes into more detail, but the long and short of it is that he doesn't drink
Verified by Grace Lee Whitney who dated him for a bit. She talks about it in her book (I think that's where I read it) - that she would drink, and he would say "how can you stand that stuff."