Business trips, in the presence of a shapely and ugly hot wife, he should stop. You can not earn all the money, and what for do they need, when you are waiting impatiently in bed for her - with big tits and irrepressible imagination. After all, rarely any of the beauties masturbating imagining making her husband blowjob in the shower, for such a need to hold on to all parts of the body and especially the penis!
The guy just fell for his stepmother's melons. You can't help but feel them. And the threesome was the last straw that broke his will.