RY23, think shidduch crisis. i.e. numerous girls unable to marry due to shortage of guys. Just like we have now. Now think of selfish boys who don’t want to marry. Then think of desperate girls who do want to marry. Now think Halacha. Then think Beis Din.
Viola; you’ve got a shidduch!
Hey, Hashem made this Halacha for a reason. And it wasn’t just theoretical.