We know a boy who loved Thomas the Tank Engine. On his first day at school, he took his Thomas satchel. He was mocked without mercy. He never carried it there again, or ever mentioned his passion at school. At home, he played with his Thomas trains quietly, a private, secret pleasure, until he decided, at age eleven or twelve, that he was done, and Thomas went into a box in the shed.
My kids have never known that. So they play with their old, home-made rag dolls how they wish, even today. Maybe one of them will really become that dress designer.
(And see where a passion can lead!)