When you wake up with a few mysterious aches and pains, or are completely out of breath after going up a flight of stairs, your health will be at the front of your mind today. The advice of friends is suddenly buzzing around in your head, and you will feel a strong urge to get to the gym. If you can start spending more time there, you should. Investigate a more personalized workout plan. And if you don't exercise regularly right now, you should start.