Once you're done with Risk, introduce him to Diplomacy. Risk is to Diplomacy as this (http://www.nebraskahistory.org/images/sites/mnh/toystory/kidcar.jpg) is to this (http://www.diseno-art.com/images/IED-Mclaren-concept-3.jpg.jpg). You may have to do it online though, unless you have 7 people you can rope into playing live and in person.