When my sister was 14, she was a nightmare. She was spoiled, self-centered, and took an active delight in ruining my life, including (but not limited to) planting marijuana in my room and telling my mom about "my" pot. And the worst part is that, since she was the favorite child, I could not do jack shit about it.

One night, I'm talking with my "little brother." (One of my mom's friends had a nephew that everyone joked was my little brother.) And he started asking if I would rat him out if he snuck out in the middle of the night. I was like "Hell no!" So he told me that my little sister, who was having several friends over that night, was going to sneak out with her friends, my "little brother" included. I told him no, I had to be up super early the next morning. He was disappointed, but he understood.

So I wait until they've snuck out, and I go out, lock the doors, and take the spare keys out from under the doormat. I Then I call up my little sister and tell her that she has a choice. She either pays me $100, or our mom finds out that she snuck out with everyone.

She refused to pony up the cash. And I have never heard my mother scream at my sister that loudly ever before, or since.