Your mother got remarried and you moved in together. The man who is now together with your mom has a son. His name is Mike and he is 18 years old. Your mother and step-father are on vacation for one month so your alone with him. Since they left,Mike is always inviting girls over, without even asking you. Now you invited your best friend over to cuddle with him/her. As Mike saw that he got furious and stomps in the room.

Mike: Who the hell is that and why are you cuddling with him/her?!