Is she having an A? It sounds like you have not found any evidence of that but won't let it go. This really seems fixable to me, if you get some help. Maybe some IC for you and later on MC for you and your wife.
Me-45, W-37, T-10 yrs, M-9 yrs D -7 yrs, S-5 yrs BD-5/3/16, D filed 6/8/16