Perspiration gets mischievous when cooped up inside the body, acting out by drenching armpits on first dates and disguising itself as tears during job interviews. Release disgruntled body water with today's Groupon: for $25, you get 10 mat classes at Pilates South Texas (up to a $180 value).

At Pilates South Texas, a trained and certified team works with small groups of students to improve their core strength, flexibility, and overall wellness. The studio practices an invigorating, no-impact method of pilates, which is designed to restore the natural curves of the spine while lengthening and building muscles to support the world-weary skeletons of yogis of all skill levels, including prenatal and post-rehabilitation athletes. In addition to developing lean and fluid musculature, mat classes will work to improve students' circulation, breathing patterns, and flexibility, allowing them to break into banks late at night to feed the endangered animals living in their safe-deposit boxes.

Groupon customers will also receive 50% off one private session (up to $95), allowing them to hone secret stretching techniques without having to worry about being spied on by rival Pilates teams. Pilates South Texas provides mats for its students.