"Welllll," Peter said, drawling out the word as if he thought he was going to get in trouble. "I wanted to look for my book, but they were there talking and I kinda hearded them." And didn't walk away because it had caught his interest.
He was young and often vagueness was enough for him, but at times he did catch on to the ambiguousness.
"You want to be my mummy, don't you?" he asked quietly, lower lip trembling just slightly. He really wanted her to be his mummy, if Taddy would marry her. he needed to tell Taddy he really needed to marry her.