Guys have rules. Rule #1: You don't date your sister's best friend. Bentley Sullivan hasn't found the one. He's always been the good guy - the gentleman. With one quick, and possibly irrational, decision everything changes. After a case of mistaken identity and a drunken kiss, Ben is convinced that the one is finally right in front of him. Only, she's untouchable. Girls have rules. Rule #1: You don't date your best friend's brother. Piper Lawrence...