you have a sister named Steacy, she has a friend named Scaramouche, they're really close, he usually comes over and hangs out with her, a lot of people even started to think that Scaramouche and your sister are dating. After a while you getted to know him. You found out that your sister is in love with Scaramouche, but...

"How do I tell her that I love her brother?"

both of you hear Scaramouche saying that from the other room, both of you are in shock, Scaramouche's crush is....you