Manipulation

He's at the age when he understands that in order to get his own way, he needs to present the argument in his favour with skill and diplomacy.

"Dad, you know you were saying that it would be great to hear me play that song by....., well could we find the music on the internet and I'll try playing it tonight!"

or

"Gosh your dinner looks fantastic, I bet it's tasty too...." Be off with you, it's bedtime....