One thing happening with the world nowadays is someone is planning on getting engaged, so figuring they will, they "push the marriage actions ahead and move in with each other, reasoning that they're going to get married anyway, so may as well act married, so they live together, and most likely...
We know adultery is a sin. But also, we see in the movie industry, married people playing a "role" of an on-screen lover of someone, sometimes in more than one movie. (And in the scene, they "make out, even giving a simulated sex scene.) There are also married people starring in porno films. Now...