Add Yahoo as a preferred source to see more of our stories on Google. Affirmations can have a positive effect on a person's self-worth. Here's how to get started. (Getty Images) Affirmations can ...

Ever feel like you've slept the whole night and still wake up tired? That was me—tossing and turning, checking the clock at 3 a.m., then stumbling through the day with coffee as my sole salvation. I ...