Mark says he chooses to live in his beat-up car, held together with bungee cords and glue, because it gives him the freedom to travel, which broadens his horizons; his family says he needs to get his life together and stop acting like an adolescent.

Jennifer says her 12-year-old son's violent gaming addiction is not only exacerbating his numerous behavioral issues, but she fears it may be the catalyst for him becoming the next school shooter; Dr. Phil sits down with the boy.