Duty? We are talking about marriage, not about commercial contracts about supplies of cabbage.

I'd expect the duty I have to my family to be of bigger importance than a commercial contract. For starters it tends to be a lifelong duty.

Marriage is a bit different from signing a contract whereby the woman undertakes to cook, wash the floors, and be available in bed, and the man undertakes to earn some money, fix the plumbing, and screw the woman on a regular basis.

Yes, it's a contract to "have and to hold, from this day forward, for better, for worse, for richer, for poorer, in sickness and in health, until death do us part".

Btw, I'm through with this discussion. Do you always seek to portray the people you are talking with as horrible monsters? Do you expect to actually convince me by talking to me as if I'm a monster, or is this just a status game to lower me in the eyes of whatever audience you are aiming at?|

Either way, keep your scorn or share it, but I'm out.

And if you really really want to commit, go tattoo the name of your spouse on your forehead

That might work, but facial tattoos are status-lowering in our society.