Patrick told his first knock-knock joke yesterday.
> > P: Knock knock! > > > > Me: Who’s there? > > > > P: Cow! > > > > Me: Cow who? > > > > P: Moo moo! > >
Sure, he was just copying the call-and-response of the famous interrupting cow knock-knock joke, which I’d just done with Alex. He was still pretty proud of himself.