It’s a well established fact that various fantasy races like to have interracial sex (yes, even orcs. The ritual gangrape thing can go die. They just like fucking non-orcs sometimes). But there’s no reason why the beauty standards have to be the same between races. A fat middle aged guy might be really mediocre by human standards. But for elves, visible aging takes absolutely forever and is a sign of great wisdom and fat is hard to accumulate when you live an active forest lifestyle, have a mostly vegetable diet and your treehouse is 300 steps off the ground, so all the elves think he’s a hunk. Meanwhile, this elf dude he’s hitting on is youthful and leanly muscular, with blond hair and a tan..because he’s an elf, they’re all youthful, being outside almost all the time gets you blond hair and a tan really fast and the amount of treeclimbing they do means everyone is leanly muscular. So they each think they’re both mediocre people and the other is highly attractive.
This knowledge is useful for worldbuilding, roleplaying, comedical purposes or the intersection of the three.I had an NPC in a campaign and if the campaign would have gone on the players could have discovered that she, while being really pretty by human and elf standards, felt really ugly because she’s a half-orc with a strength of 9.