I love to do yoga! It is so relaxing. In Indian traditions they use it as their spiritual core.
I have a friend who owns a yoga studio. I think he enjoys the relaxation, but also the opportunity to meet young women.
Haha! I guess it has become quite popular with women. In the 1980s it started to be known as a form of exercise. I think women preferred it over a hard and sweaty workout. 
What then must you think of Hot Yoga? hehe
That is the yoga excepetion. Haha. I heard it is supposed to improve circulation of the joints. I don't think I could stand the heat. 
I could probably benefit from some yoga myself in order to improve my flexibility and help with my back pain.
Yin Yoga
Yin Yoga is a slow-paced style of yoga as exercise with asanas (postures) that are held for longer periods of time—for beginners, it may range from 45 seconds to two minutes; more advanced practitioners may stay in one asana for five minutes or more.
Yin Yoga poses apply moderate stress to the connective tissues of the body—the tendons, fascia, and ligaments—with the aim of increasing circulation in the joints and improving flexibility. A more meditative approach to yoga, its
"hatha yoga" is also in use with a different meaning, a gentle unbranded yoga practice, independent of the major schools, sometimes mainly for women. Practices vary from wholly secular, for exercise and relaxation, through to undoubtedly spiritual, whether in traditions like Sivananda Yoga or in personal rituals. Yoga as exercise's relationship to Hinduism is complex and contested; some Christians have rejected it on the grounds that it is covertly Hindu, while the "Take Back Yoga" campaign attempted to insist that it was necessarily connected to