Look, nobody NEEDS a gym. Not really. When you’re trying to build a better body, tone up, or lose flab, having a facility with a variety of equipment certainly helps, but it isn’t a must. You can get in enviable, even jaw-dropping shape with a few light weights, a suspension trainer, or even your bodyweight alone, if that’s all you’ve got. (And if you don’t believe us, visit your local penitentiary, and get a look at the bodies you see in there.) Our number-one suggestion for