I completely agree. My attitude is one chance per lifetime. If you blow yours don't come back because the answer is always no.best aproach was if he not even considerating since he already have others plates.
my answer to old flames are always just toss water over it and move on, remember the issue with make it end, yeah don't matter what that didn't change so move on,
I told him to proceed with complete indifference because he was already engaging her. So since he already engaged best approach is IDGAF