Good, because what you're doing is raising her like she's your own. Lol. What kind of things have you not heard about yet? "Asynchronous development" is a good one. Some people say it means that different skills develop at different times, like, the reading comprehension may be ahead of the emotional development or writing. I think gifties have a wide developmental range at any time, kind of like an agelessness. Yup, they march to the beat of their own drummer.

Youth lives by personality, age lives by calculation. -- Aristotle on a calendar