Don't want to get back together with my ex.
Why don't you want to try again with your ex?
I think he'll have a better life without me, and I deserve to be happy.
It sounds like you think both you and your ex will be happier with other people. It's okay to move on if a relationship isn't a good one.
It's time to move on, I'm moving forward with my life.
That's right. If you feel your ex is no longer right for you, then move on with your life.