He does so cherish even the smallest crumbs of affection -- and Burr offers him a feast. His eyes flutter closed, at the touch; they spring open at the words.

"Oh," just a small sound, escaping. He doesn't even think of what he should say in return, at first, so preoccupied with absorbing those words, sheltering them in his mind, layering them over and over with the feeling of this moment, until they fossilize in perfect impression, exquisite detail.