Nitpick: It feels really good for most people. For me, I just feel like crap. I've run a marathon before and done a lot of other types of exercise, but that 'g

Nitpick: It feels really good for most people. For me, I just feel like crap. I've run a marathon before and done a lot of other types of exercise, but that 'glow' that people report having is not something that I've ever gotten. I don't feel good after a workout or during one; I feel tired, gross, and irratiable.