My DD took Piano for 3 years, starting when she was in Kindergarten. She was very good (though admittedly, she would have been incredible had she actually PRACTICED!) Practicing was a battle! Finally, after 3 years, I decided to let her stop. I didn't want her to get to a point of HATING the piano and hoped that one day, she would pick it back up again and enjoy it. 6 months went by before she touched the piano. Now, she sits down quite often and plays for the enjoyment of playing. Someday, I am sure, she'll come back to it, but I want her to decide when, so that she won't despise it and never come back to it.