I'm not really sure how I'm going to do this on days when I have class at night and can't walk after work, but I'll figure it out. I can potentially walk in the gym after class, and there's also the morning before work to consider (if I can ever manage to get up that early). Walking at lunch is a little problematic, because if I walk 3 miles at lunch that's a little over an hour and a whooole lot of sweat. I still might do it, though. It doesn't seem as difficult to pack extra clothes as it once did, after all, and work is laid back enough that I can eat at my desk outside of my lunch break.