No, it is not normal to be browsing and adding people you don't know (most likely because they are visualy attractive as I take it as a reason why he does it...) Lalka, dump his ass!
..says the girl who has hundreds of people on her facebook? I'm sorry, but to me it seems pretty normal to invite or add someone else who is connected to someone I actually know in real life. I think getting to know new people is basically the whole idea or concept behind social networking?
Arien, I agree with jump bunny here. Many women feel like adding female contacts is, in itself, almost tantamount to betrayal. Although his intentions may be innocent, it does look bad.
Okay, so how do girls feel about adding boys to their own pages then? (While they're having a relationship I mean!) I'm sorry, I guess I really don't understand the fairness in that? (When you don't accept this behaviour from your boyfriend I mean!)