I recently broke up with my BF of 5 years and a good friend suggested the same thing; it is her "mantra" as she calls it. Every morning and night I repeat over and over whatever it is I need to say to myself to build my self confidence up....."I am pretty, I am smart, I am worth something,..." whatever my low poit of the day is. IT HELPS. It sounds weird at first but it works!!! People will treat you the way you see yourself! Be strong!