In my twenties, I use to run 5 miles and then do strength training for an hour, sometimes seven days a week. Was I obsessed? No, I just had that kind of desire and motivation. These days I wake up with the same desire and motivation, but it usually fizzles out by 8 am. I start with the best intentions. I put on my work out clothes and check the gym schedule but apparently my kids don't always get the memo. So if mommy doesn't get any sleep or breakfast takes a turn for the worse, I lose all my enthusiasm.  I am even lucky enough to have a treadmill and a jogging stroller, but there are days I…