Tips from Health's 2012 Cover Models

Credit: Art Streiber

Jillian Michaels (March)

Q: What tips do you have for staying motivated?

When it comes to your "why," write it down and put it everywhere—in your car, on your phone. Remind yourself constantly why you're doing what you're doing. Then remove any sort of temptation. Build a support system, whether it's a workout buddy or a mom from day care, so you have that person to call when you have a moment of weakness.

Read our interview with Jillian Michaels.

Next: Christina Applegate (April)