If you find that a family obligation threatens to derail your workout routine on the 1st, then take immediate precautionary steps. No, you can't let Great Aunt Ruth down. But you can slip in a quick swim on your way over to pick her up and take her to her bridge game. Better yet, why not get her and her friends to meet at the pool, and they can play bridge while you swim a mile? See? There's a solution to every problem. You're in a pretty good groove when it comes to working out, eating right and generally taking care of yourself on the 5th. Great. On the 10th, just keep on enjoying that pretty good groove. On the 15th, eliminate something unnecessary from your life. Whether it's an icky habit or a worn-out emotional coping mechanism, you can do without it. Focus on the details on the 20th. How's your freestyle form? Are you getting enough vitamins? On the 25th, you play a good game. Woo-hoo! As long as you make sure to workout on the 30th, you'll be sure to wrap up the month in anot