That all sounds good. Letting go doesn't mean it's over...it just means you quit pining away and start to look at her as your EX wife. I've been where you are. I'm remarried to her, so I know there is hope...but it was just being open to possibility of reconciliation, without actually expecting it, that was more helpful.
You cannot be lonely if you like the person you're alone with. Dr. Wayne Dyer