"Oh, no," she protested, quickly.
"No, I don't, and--" "Yes, you do," he said, and his voice shook a little.

"You couldn't help knowing." "But I do!" she denied, hurriedly.

"I do help knowing.

I mean--Oh, wait!" "What for?
You do know how I feel, and you--well, you've certainly WANTED me to feel that way--or else pretended--" "Now, now!" she lamented.

"You're spoiling such a cheerful afternoon!" "'Spoilin' it!'" He slowed down the car and turned his face to her squarely.