Stop looking up your ex and their new S.O. on social media.
Figure out what excites you.
Come up with your own “letting go” ritual.
Consider seeing a therapist.
Do exes come back after moving on?
It might seem that way, as exes are more likely to come back once you’ve moved on. It’s only when you’ve moved on that you stop thinking about your ex coming back. So, the moment they do reappear, it tends to be highly unexpected.