It's so simple, really.
I love Him ; He loves me. He owns me; I serve Him.
I don't have a ton of rules to follow. He rarely, if ever (I can't remember a time when it happened) punishes me. I know His expectations, and I meet them.
I don't "brat" in order to get His attention. I am not obnoxious or disobedient. I know what I am supposed to do, and I do it. It's easy.
Why would I misbehave?
I WANT to serve Him, I WANT to please Him.
He WANTS me to serve Him, and He WANTS me to please Him.
He wants/desires, and I do.
It's not hard.