Mormon missionaries pay their own way (about $400 a month); get up at 6:30 every morning and go to bed at 10:30 every night; are allowed only two telephone calls home a year to family; write letters/emails home only once a week.. and much more!
Without revealing too much of the plot of Sweet Land of Bigamy, I will say that it is a true blessing to live in a time, and a country, where a woman, even in fiction, could marry two men and when found out, not immediately led to the gallows.
Sex was around far before pornography was. Before the cyber age, I'm sure priests, rabbis and clergy from all religious affiliations were aware it existed. It didn't take porn sites and web cams to bring it to their attention.