Tip 25: Make A Bet.
You create a goal, set the stakes and assign a friend to keep you
accountable at stickK.com. Fail to meet your goal and the site pays a charity from your credit card (if you enter one...money
is optional, but placing a wager may more than double your rate of success, say the Yale researchers who launched the site).
For more diet challenge tips, meal plans and get-started guide, visit the Diet Challenge landing