Just wait till you hear:
Mom! I want to be Boba Fett! Since you're making Zam already, you can make me a Boba costume for Halloween this year, right??!
I had to lay it out plainly that IF I were to make him a Fett costume, it wouldn't be done until he was 10 and wouldn't fit him.
He's reconsidering the loss of 3 years worth of Halloween candy. 