bOy iN ThE sTrIpEd PyJaMaS

I learned friendship between Bruno and Smuell. When Smuell get hit because of Bruno by he said " I don't know him at all " after that, Bruno go to sorry about that, Smuell said "0k". If they aren't friend, Smuell will not say "0k". Other part is when they go to gas room, they holds each each other's hands