The point of the question is whether or not you'd like to – as a former potus would put it – have sexual relations with that woman. And
I believe your perception of romance heavily colors your expectations as there actually is no talk about being faithful. The game has you describing your wife giving you the following choices:
But that's what I like about the portrayal of the MC (apart from his great taste in music that is): he's a good guy trying to break out of a boring routine and driven by a nagging feeling of missing out on something great is getting into all sorts of sexual relations. It's relatable, at least for me. Well, apart from the need to buy a fast car, but I guess that one's a classic like trying out extreme sports or buying a leather jacket and learning to ride a heavy motorcycle. *shrugs*