“But daddy, I don’t understand”

And I hope you never need to, darling. The lesson is not for you. It is for all the other massive fans who may think to come this way: “this is not your place”.

“But what if I want to grow up to be part of fandom”

Then we can go and see your grandmother, who still keeps her contacts in that world. But keep your pen sharp, and try not to get put in a cage.