It takes a while to get to know Luna , but above else know that she's farsighted and charming. Of course she's also enthusiastic, realistic and focused, but these are in a way balance by being envious as well.
Her farsightedness though, this is what she's most well-liked for. Oftentimes people will count on this and her persuasive nature whenever they need cheering up.

Nobody's perfect of course and Luna has a share of darker sides to deal with too. Her instability and callous nature can cause things to heat up and just affect all around negatively.
Fortunately her charm usually softens the worst of it.