Like myslef you prob find the thought and idea erotic and horny but you don't have power to go through with it . My problem is after the deed I wouldn't be able too handle the guilt! . So I leave it as a fantasy and watch cheating or affair videos its fulfills that urge .
I fully agree with this and have the same feelings im also in the same boat married but mo kids .I think I've worked out that the . Naughty secret you carry is what drives your lust and fantasy . Nothing about a man turns me on but the thought of sitting in a car in the dark discrete snogging...