I think you’re making this much too easy for her. If you want to preserve your marriage, you need to SLOW DOWN the process, not speed it up. Quit helping her so much. What you need is time for her to change her perception of the marriage and the OM. Time to see that her present marriage can be better.

M: A really long time.
Crisis: 5 years.
She's still worth it.

Life is never made unbearable by circumstances, but only by lack of meaning and purpose. -Viktor Frankl