Is It You Thats Changed, Or The Rest Of Us.

I have this friend, and lately he's been pissing me off. I don't see why, sometimes its his humor, its just so ridiculously ridiculous, you want to hit him. And other times, its his very blunt cockiness.But i'm starting to wonder, if its him thats changing, or is it us? I mean ever since his old girlfriend, iv seen a difference in him. But i've realized that maybe its us thats growing up, and us thats moving foward, and hes just a little behind. So should we really blame him? Should we allow that to get into the way of our friendship? Its the way he walks around with all this confidence and all the pride. But.. When you really think about it, Does he have anything to be confident about? Or have pride in? Hes been following his bestfriends foot steps for 3 years, im not saying thats a bad thing but we are raised to be leaders and not followers. Now he goes to work out 4 times a week, takes out 3 different girls every week, and has a back up girl for every back up girl. And he swears hes this big shot thats making all the points. But all hes doing is making himself look bad. Is he the one that needs some growing up to do? Are we the ones putting too much blame on his rather than ourselves? We always hear about that one in a group of friends, who doesn't make it as far as the rest in the group, and maybe its him. He thinks hes the one cracking to jokes that makes everyone laugh, and he thinks hes the one that turning heads in the hall ways and the streets. But hes really not, and hes taking more credit than he could ever handle, or even deserve. So should i repeat myself, is it him that needs some growing up to do, or are we just blaming him for our own annoyances?