I've seen this in various places, and I was wondering what are the benefits, both financial or non economic related, of marriage, especially one with a pre-nup? I'm not intending on doing it, but I'm just interested because I never got in a secular society why anyone would marry through the state without it being for financial benefits.
Secondly, if there was a pre-nup, when I wanted to marry a real partner could I divorce my platonic friend without having any severe repercussions for doing it?
Thirdly, if the state found out it was a hoax or a scheme, could they charge me for something like fraud?
I would like to learn about the US's federal case and, if possible, in my own country of Portugal. I wanted to ask in meta if we can post question about a non-US case but I don't have enough reputation so...
I'm not talking about immigration. The hypothesis would be both partners would be native, i.e. either both American or both Portuguese.