Sadie Sawyer wants to learn how to blow a guy. She's my sister's best friend. The girl I've known since grade school. The girl I've always considered off-limits. She's the girl that crawled under a table in a bar one night and changed everything between us. Now the brain in my pants is more than willing to step up. The rules are simple. No kissing. No screwing. No falling in love. But the more I let her use my body in the name of experimentation,...