I believe he was already 18 when he proposed
Says 10 years later, no?
I believe he turned 18 before he mentioned getting married since his servant(i forgot his name </3) complained about him behavior after the fact
So he would be 18~to an older age, it might've been a mistranslation of some sort?
Also people who were "of age" was 16 and up but I'm pretty sure they was at least 19 or 20
SO HOMEBOY WASN’T 18 WHEN THEY DID ALL THAT FREAKY STUFF?!??