Fuck it, why not? I've always told my kids' friends that if they needed a place I was here. Parents have to parent even when it's hard. Those kids, bad, hardheaded, toughassed, all of them, need love and if we fail them, we fail ourselves. They are our futures. They are who we built the world for and they will build the world for future generations. Don't give up on him because once he doesn't have to talk to you, he won't and you will regret that in your later years.