Book excerpt: What do you do when that huggable son or daughter suddenly sprouts needles? Trusted family life educators and seminar leaders David and Claudia Arp help frustrated parents discover the secrets of communicating with their teenage "cactus." Through the "four Rs" of regrouping, releasing, relating, and relaxing, the Arps help parents launch their almost-thirteen into the teen years, using the "Teenage Challenge" and yearly "Birthday Boxes." Other topics include choosing "majors and minors," promoting spiritual growth, and communicating when things have gone wrong. Suddenly They're 13 is the textbook for parents who are serious about growing responsible and caring adults.