Step Up Love Story: Second Kiss

Upon marriage a wife and husband were virgins. They steadily improve their ***ual skills day after day. After six months of marriage they are having *** every night. The wife, however, feels things are becoming stale given her husband's lack of new maneuvers in bed. One day the sister-in-law comes to meet her brother's wife and she is having relationship problems with her boyfriend. The sister-in-law insists that the man will get bored if a woman is always available for *** prompting the wife to restrain herself for three weeks.