It's had some favourable mentions on this board.
But a more effective way to get over a failed romance/marriage/partnership is to recognise that your ego may be dented, your pride may be hurt, but your heart - the organ that pumps lifeblood around your body - is not broken.
We're a lot more than our thoughts and we can choose what we want to think about.
The more time you spend obsessing about someone, the more they're in your head, and the more they're in your head the more you obsess about them.
Break the cycle; replace thoughts of them with thoughts of something else. Don't stay indoors feeling sorry for yourself; get out and about and get another perspective.
As Dorothy Parker said 'time wounds all heels' and whoever's done you wrong will get theirs.