Remember, there are hard times and then there is breaking your vows. She is breaking her vows. PAs are grounds for divorce in almost every culture. So I admire your pro marriage stance. But no one would blame you for divorcing her for adultery.
M(53), W(54),D(19) M-23, T-25 Bomb Drop - Dec.23, 2017 Ring and Piecing since March 2018