“Hey Jen, my mom gave me a copy of Billy Blanks Tai Bo. Want to try it?” my next-door neighbor Rose asked one afternoon. Rose was also looking for an athletic vent to shed some weight. And we could follow the sequence of moves lead by a spandex clad kickboxing fanatic with the blinds drawn.   Our moves awkward and uncoordinated at first, we struggled to keep up with the timing between giggles.  After a handful of tries, thirty minutes started to pass with less effort. I started to increase the intensity and began doing the beginner tape twice a day. As I started to shed some weight, I also felt empowered. Rose started to loose interest and eventually stopped joining me.   “Whatcha…