It used to be when I saw stories like this it was in Penthouse Forum, written by some horny teenage boy, who was still a virgin. 
In real time what do you do as a father when a 14-16 year old sons causually mentions he is having sex with a 38 year old woman. ??
Is your first reaction--Don't tell your Mother-----or Do tell, give me all the facts and keep nothing out ?????