Type "A" means
you are really talk so much in your friends group. when they have story to talk you can talk about one hour!!
Type "B" means
you are funny. when you're talking you like to have action about the story that you talked about. that why you friends agree with your mine.
Type "AB" means
you just like to listen more than talking. that why everyone like to talk about there problem for you. but, sometime, your straight comment make someone felt low.
Type "O" means
you like to be a center. but when someone told you that you don't interest them you will be angry in that moment.