[Brookhaven]

"I think maybe what happens is the man cheats with the younger girl, and the wife finds out and initiates a divorce."

Except the statistics show that women are MORE likely to cheat than men.

Women are more likely to cheat than men – here’s why (NY Post, not some blog)

[SauronOfMordor]

Except the statistics show that women are MORE likely to cheat than men.

Makes sense. A woman who wants to cheat can easily find a man to cheat with. She's not going to demand commitment, just discretion.

[TexasFreeper2009]

That may be true also, but still she will stay if cheating, he will stay if cheating, but if she catches him cheating she is more likely to file for divorce than if he catches her cheating. And it might also be more likely that women get caught less for various reasons.