Although body-exchange programs mean no one ever has to stay in one meat suit for long, returning yours in bad condition means you forfeit your deposit. Keep your constitution in returnable condition with today's Groupon: for $20, you get one month of unlimited group fitness classes at Absolute Wellness Group's midtown studio (a $48 value).

Absolute Wellness provides bone abodes with the tools and tutelage necessary to promote well-being. Spruce up spongy soul sacks with Absolute Wellness's group fitness classes, which tone, stretch, and cajole bodies to healthier states. Order a svelte serving of the Crunch 4 Lunch class, keep merengue muscles in prime shape with Zumba, or cast a more captivating shadow with a belly-dancing class. Meditative yoga and Pilates classes provide a relaxing escape from tension, stress, and overly aggressive book-club meetings. Call to check class availability.