This should be fun...
OK, first question: It has to be with a woman? ;-)
Stupidest, most dangerous advice given to 18 to 40 year olds ever.
There is zero, and in fact less than zero incentives to marriage in 2021. Churchill said something like marriage is finding a women who hates you and handing her the keys to your house.
It is so, so much worse than that today.