How long do Affairs typically last?
Most affairs last between one month to about a year. However, about a third of affairs survive longer than two years. The duration of the affair often depends on how the affair dissolves. The majority of affairs start with friends or coworkers, although infidelity can happen anywhere and with anyone. How long do extramarital affairs usually last? Extramarital affairs vary in duration. About 50% may last between one month to a year.