“You know what a broken finger looks like, right?” Not words any parent wants to hear, but especially not from this kid. A broken finger could be a true disaster. Ben (not his real name) started hanging around the house a couple of years ago, when he made friends with my son at a gaming event. He lived about half an hour away and needed a place to crash on the weekend between days of competitions. He was nice, respectful, and helpful around the house. As we got to know him, we learned he was in need of more than a place to crash on the weekends, and invited him to move in with us. Ben is the...