"You can have my gross ones too, to help your knees," he said, and let his head rest on his daddy's shoulder. He couldn't help but yawn again, and it was getting harder to keep his eyes open. Clothes-hunting sounded a bit boring, he thought, but at least it wasn't going to be right there and then.
"Love you, Daddy," he muttered, before lifting his head up from his dad's shoulder for a moment. "D'you want me t-" and he yawned again, "s'cuze me... d'you want me to walk if your knees're sore?"