I've been excited the last few months in that I've been able to increase the intensity level in aerobics class. This past week I've had to drop down a notch or two (when I'm really tired my body doesn't always cooperate well) and have had the old pain in my feet and knees in the morning. Disappointing, but I felt like I needed to keep pressing with exercise and weight loss in hopes of postponing Arthir the moocher. So today, instead of using the exercise equipment upstairs (my usual Tues/Thurs routine), I went to a 20/20 class. The description says by the time class is over you will have spent 20 minutes on each of the following: cardio, flexibility training, and weight bearing exercises. That sounds like something I need, so I head to the gym with a little fear, nervousness and excitement. The first ten minutes in (while marching in place, the simplest of exercises) I felt a searing pain in my calf. It's not uncommon for me to have short bouts of pain fla...