Little brother: Petttttttt, pet...PET!!!
Petra: What!
Little brother: You know how the milk come out of that thingy of a cow?
Petra: Yeah, what about it?
Little brother: Well today i was watching t.v and i saw ice cream come out of one. I bet you didn't know that cows made ice cream!
Petra: AHAHAHAHAHAHAHAHAHAHAHAHA
Little brother: What?!
Petra: ...don't watch t.v anymore.