“Kelli Farrell talks about the difference between girls and boys who struggle to get through high school: "Girls, especially those whose moms are head of household, get the message that men come and go, that they're going to have to take care of themselves and their kids. They're ready for the opportunity to step up. By the last year or two in high school, many boys have already steeled themselves for failure. They've checked out intellectually, mentally, and emotionally.”