If you have a friend who acts like Kira and BB put together is that bad?

Almost all my friends are like that and sadly I the most and they don't even know Deathnote! Now tell me dangerous or not!?!?!?!?!

Mwahahahahahsgaaysagaytyrsrgfhkugytstdhkhponkjhyfhyf!
I am the Sixth Kira fear me!!
(Sorry that happens sometimes oo. :#/