A handful of new studies suggest surprising changes in the marital landscape. Infidelity appears to be on the rise, particularly among older men and young couples. Notably, women appear to be closing the adultery gap: younger women appear to be cheating on their spouses nearly as often as men.

From the archive, Vladimir Nabokov:

We both, Vasili Ivanovich and I, have always been impressed by the anonymity of all the parts of a landscape, so dangerous for the soul, the impossibility of ever finding out where that path you see leads — and look, what a tempting thicket!

Love, Sex and the Changing Landscape of Infidelity