When you think about it, 21 days is such a short time.
Challenge yourself to get some form of exercise each day. Take a walk. Use the stairs rather than the escalator or elevator. Check out an exercise DVD from your library and try it out for a week. Anything.
Record the foods you eat each day. It isn’t something I can do every day, but for 21 days it is interesting to see what I am eating compared to what I think I am eating.
Follow my progress HERE.