"I've known her since she was little, but I hadn't thought of anything like that.
So did young Russian, Belorussian and Ukrainian women who had been sent back to Germany by the Wehrmacht for slave labour.
Older men have been dating younger women for centuries.
These are the fortunate consequences of the we've been experiencing over the past several decades.
If anything, in practice, men are more conservative when it comes to preferred marriage, preferring a minimum age higher than the rule would say is OK.