If you want to lose weight, you've got to expend more calories than you consume.

Yes, you can do mis without exercising, but not efficiently, smartly, or healthfully. Exercising" makes losing weight infi¬nitely easier, not just because you're burning more calories on die court than on the couch, but also because working out gives you a physical and a men¬tal—even a spiritual—boost that improves your out¬look and attitude, and thus your chances of achiev¬ing success at whatever you do—including the mat¬ter at hand, eating right and getting in shape.