Avraham is apparently an Orthodox Jew. In Jewish weddings, the bride doesn't kiss the groom publicly, and the bride wouldn't kiss any other men, even his friends. See more
[Tommy and Avram are in a saloon, where Tommy is sawing away at a huge steak, but Avram is too depressed to eat
Now, look. You go up and change, and then we'll go together and we'll tell your people that the new rabbi's arrived. All right?
I told you that I can't be a rabbi.
[Tommy hurls a piece of bread at him
Don't you tell me that. Just don't say that again. Not after what I've been through to get your goddamn ass here alive. If you hadn't have shot that man, then we'd both be dead. Do you ...