Been there, bent that. Yoga can pump healthy transformative juice into even the most soul-shriveled yuppie. I've seen it happen. You sweat like a horse. You can't really cheat all that much.
Yoga is all over the cheating thing.
You squeeze, tighten, push, pull, lengthen, release. You feel drunk afterwards. If you do it right and do it regular and give yourself over to it with any sort of serious intent, yoga will take you down and scrub you out and slap you upside the karmic head and hand you back to yourself all nicely stunned and pose-drunk and going hey whoa, maybe there really is more to life than work and stress and money and sex and the Internet and books and wine. Which is absolutely true, except for the part about the sex and books and wine. Bikram, Ashtanga, Iyengar, Viniyoga .