The skritches are good, and she leans fully against his ribs, purring loudly. He'd listened to her and gotten some food, and he's giving her skritches, so he deserves the full experience - which is to say, her purring hard enough to vibrate in his chest too. See? Good things happen when he listens to her.

She gives a soft mrah at the thanks. You're welcome, skinny teenager! Now finish your dinner.