Men, managers and executives, southerners, occupants of large cities, African Americans and those who have had a number of prior sexual partners also seem to be more prone to infidelity (25, 36).
Approximately 65-70% of couples who experience infidelity stay married.
Visiting sexually explicit internet websites is a factor that contributes to an increased likelihood of seeking other partners outside one’s marriage (30, 38).
The probability of sexual infidelity increases for women who have had a higher number of lifetime sexual partners, who cohabitated with their current partner prior to marriage, and who have been sexually abused during childhood.
Approximately only 10% of individuals who have affairs together ever marry each other.