I compared with many friends and still keep on doing that....it feels natural to me,especially when it comes to showers at gym etc. I am in most cases the biggest and friends at gym make fun of me for this.But in a good way!sometimes when I am passing without towel close to them they slide aside as quick as they can,to let me pass;they say I have to be a meter far from them when my cock is out!and we laugh together and make jokes about that.
This gives me satisfaction....Love to take common showers and being watched at my big cock!;-)
Anyway my best friends do know my size and see my cock quite naturally....I am not shy and it is cool to share also intimate things like that with your friends.
When my older brother lived at home we also jerked off together. We had crazy fun,jerked off also outside(in the woods,car etc) and counted our cumshots,fucked plastic holes together at the same time...!it was great!my cock was bigger,but his one has a bigger girth!I guess many guys don't do this with their brothers but for us it was normal life...:-)!