You are very fortunate. Some marry and feel the same way you do but their spouse succumbs to temptation of our sex first society.
It’s not always sex first. Of course sex does enter into it.
For better or worse women are independent now.
Many women earn more than their husbands.
If they have an argument , there isn’t any financial reason for them to stay so they hit the road.They don’t have to work out their problems.Many don’t even try. At the first sign of trouble they are gone.Many times the sex comes later.