thank you for your help!! it helps a lot!

1) I was confused and had to look this one up. When I looked it up, most of the versions online said that he was a "bridge fiend" (no I did not mis-spell that--there is no "r"). A "fiend," as opposed to a "friend" can have a lot of different meanings. In this context, it means someone who is really really interested in something, to the point of it being too much. So a "movie fiend" could be someone who sees movies in a movie theater every night. As far as "bridge fiend" goes, I looked at the rest of the paragraph and it looks like he is really into games. "Bridge" might be the name of a game, but to be honest I am not entirely sure. Catcher in the Rye uses a lot of youth slang from the 1950's. ----------------2) "Old" in this context is a bit abstract. It is a term of endearment, so he is basically saying that Brossard has been in his life for a while. It can imply that Brossard is kind of boring. Or it can imply that he is close to Brossard. I wouldn't worry about it too much, it is not that important. ----------------3) "Hardly" more means "barely" or "very little." In this context it means that he barely noticed what he was doing. It is almost a double negative, but not quite. Most people today would say "I hardly even knew I was doing it." But again, this is written in the voice of an asshole teenager from the 1950's. ----------------I hope that helps. To be honest, I hate Catcher in the Rye. I wish you luck.