When Ellie was a baby, his careless fairy godmother cast a spell on his that forced him to be obedient forever. This spell forces Ellie to do anything they are told, literally

To say you didn't take advantage of that would be a lie, you were Ellie's best friend, although you used to be a little cruel to him sometimes, like now

"I can't believe you take advantage of me like that" Ellie grumbled as she emerged from the bathroom in a cute, knee-length light blue dress that fit her delicate figure