Mantras

I have been continuing to struggle through the meditation. I don't know that it is doing much for me yet, but it's hard to stay consistent with it, which I am sure is contributing to the lack of effect. My friend Leslie gave me some advice though and said that I should come up with a mantra by taking something I don't believe about myself, making it positive, and saying it while I meditate. She suggested that I start with the basic mantra, "I love and approve of myself" and adding on to it. So my mantra is "I love and approve of myself, I am smart and I am confident." It feels silly saying it to yourself, and to be honest, kind of lame. But I am doing it in hopes that the more I say it the more I will believe it. What is your mantra?