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@Red WizardWe certainly are! Hmm... I always liked the notion that elves viewed half-elves in a sympathetic but somewhat disdainful way, like "a loveable mistake". How do you feel about that?
I can certainly see that. Half-elves grow up so fast, so they're not going to be as graceful as elves would be, and would die early - for Elves. I don't see may Elven families wanting their children to marry one - a lot of heartbreak, there. Half-elves might be encouraged to pair up with other half-elves, though. Odds are good that one child might be full elf, and one fully human.
The problem as I see it would be with appearance. If someone misses that the ears aren't quite as long, they may assume they're speaking with another adult - while that's technically true, they're still a lot younger than that adult elf.