Having kids also helps you with the "walking" aspect. A daily walk around the 'hood with a stroller, and at a later age combined with some "culture-dependent ba

Having kids also helps you with the "walking" aspect. A daily walk around the 'hood with a stroller, and at a later age combined with some "culture-dependent ball game" time, gives you some "free" opportunities to burn them calories. P.S. besides, with kids you'll have no time for video games, so that's a solution from another angle ;-)