She is right-handed (Thought she was left-handed? Check where her hair parting line is).
She always plays by ear, therefore has not bought sheet music. (except the ones for classical music)
She can play any song she has heard of, therefore doesn't know how many songs are in her repertoire.
In order to brush up a song, she does thorough research on the original song structures, the intention of the songwriter, and the historical background.