How can any of these best ways to lose stomach fat fast work if you’re not motivates? Think about what could help you stay motivated. Keeping a food diary, joining an exercise class or rewarding yourself for small successes are great ways to keep you on your toes. But most importantly, if you do hit a low, don’t punish yourself or binge. Just start afresh and keep a picture of those dream abs handy! For more motivation, read about these ways to get great abs if you are a girl.