6)Their other bros
Musically, bros tend to enjoy rap and rock. Some bros enjoy Dave Matthews Band type rock, while some love Disturbed, Linkin Park, etc. type rock. Some things bros hate:
1)Guidos (New Jersey is a sad, TERRIBLE place for a bro)
4)Authority (Parents, Police, Land Lords, etc.)
Again, bros are generally NOT racist, they just tend to hate the lifestyles of those listed above. You may identify a bro by a strange "dressed up but very chill" clothing choice (Polo with lax shorts). Bros tend to also have flow to their hair, which women go crazy for. On weekends bros love to have big parties with lots of hot chicks with their other bros, who bring several kegs to the party. Partying with your bros and getting completely fucked up is the greatest thing in the world.
Bro2: I did the beer bong for 20 seconds last night bro. It was sick!
Bro1: Let's go get fucked up again and hit up a bar.