It's Not Wrong
A brother confesses his desires to his sister, and gets a response he didn't see coming.
I have a sister a couple of years older than me. When I was about sixteen, I started peeping on her. I wasn't terribly discreet about it however, and occasionally got caught. She would yell at me, but didn't do much beyond that. Finally, though, she got fed up, and told our parents. What she said to them was basically that I was just curious, and it would be for both our good if I was moved somewhere farther away from her...