It’s not good for man—or woman—to be alone, even in the gym. Here’s how one group is turning exercise into fellowship. In my experience people come in two types: Those really fit folk who happily visit the gym three times a week to keep looking marvelous, and the rest of us who, if we go at all, do it grudgingly because it’s good for us. Like eating broccoli. Let’s face it: For some of us, there’s just no pleasure to be found in a cold, heartless gym. But it doesn’t have to be that way.