What does this mean? That you just have to suck it up and shell out 3 salaries or you are not worthy or manly enough? Anybody old enough who has seen tons of various marriage crap knows that this increases quality of marriage by exactly 0% (at least in positive direction, negative can be debated but I'd say its mildly above 0), and same effect goes into 'durability' of it.
But for men, its a fantastic litmus paper - even if you explain this and the requirement remains strict, thats a massive personality red flag, which never ever goes alone. For me personally it would be no-go since life is too short to make such mistakes, but I am out of these games hopefully for good.