Brain Exercises

Does anyone else feel like their head is always thinking so much that they are too exhausted to actually physically work out? I wonder if I'm the only one doing brain exercises! It's the curse of the typical type A... We are often known as the "worry warts" who rarely take a risk. Okay, it's true! Perhaps actually working out would help me relax...I know, imagine that concept. The sports medicine and recreation specialists out there are rolling their eyes right about now! Does following a toddler and trying to keep a toddler occupied count as exercise? If so, I should be Denise Austin by now...