No one enters a relationship planning to betray. But sometimes, the heart wears out in silence, attention gets lost in routines, and emotions find no refuge. In the midst of this cracked terrain, some ...

Some 60 years ago, Alfred Kinsey delivered a shock to mid-century sexual sensibilities when he reported that at some point in their marriages, half of the men and a quarter of the women in the U.S.

Everyone knows about the classic cheating signs — sudden phone secrecy, unexplained absences, and mysterious expenses. But sometimes infidelity reveals itself in much more subtle ways that most people ...