@BigrekoManxe - I do not think you want peace of mind.

If u wanted peace of mind, you would have at least tried to fix ur issue with ur wife and forgot about ur ex.

you are thinking abt ur ex and blaming ur self for not give her a second chance - but on the other hand u r not even trying to talk to ur wife and started taking abt divorce without giving her a chance.

Peace of mind comes when you are content with what you have. You have ur wife, talk to her - apologies - bring her here - spend time with her.