Mass effect did that pretty well with the frog species.
Their avg lifespan is only like 35 years and as a result they move and talk much faster than other species. But they're still aware of the overall shortness of their lives compared to other species.
I know a lot of people homebrew this to be different in their games and that's fine, but just to clarify to anyone curious, if we're talking D&D 5e, elves mature at the same rate as humans, and the reason they only consider themselves adults at 100 is purely cultural.