I have no clue how old you are djrobins, but common history is very valuable, I believe and starting all over again without trying a bit more is not the right way.
Awesome post TGD!
The point of this is in this situation, you cannot win her back. You move on with your life and recover yourself. Trying to win her approval never works and backfires, building her ego in her affair. Only by letting go can you get her back, and its her choice. You cannot convince a cheater, but they may finally accept the error of their ways… You let her go and live your life.