Boys at my place are just like DEVILS!

There's a boy who doesn't learn mathematics...he count my burger price WRONGLY and he blame us,and also his friend who always blame us and never blame his friend...WHO DO YOU THINK I  AM???...A KNUCKLE SANDWICH???....and also another his stupid and arrogant friend...who always think he is the one who always handsome and macho all the times.....HATE THEM VERY MUCH...