Anyone ever made an affirmation statement or read self created affirmations daily? How did you do it (memorize it, sticky notes on the mirror, etc.) And what was your experience like with them?

I wrote a really awesome positive affirmation statement (statement as in a whole; not one sentence) and I was just wondering before I get all into this ...am I just tricking myself into believing these things i'm claiming? Or can this be effective for me even in a small way?