As it was, if she was to mention any concerns regarding eating too much cake, he'd have happily told her she would always be perfect, and it would take more than a few pieces of cake to have any detrimental effect.
"Not at all," he replied, not bothering to look at her when he spoke to her this time, or open his eyes. "Which expression?" He wasn't aware of having any particular one, though he wasn't above protesting if she decided to stop any time soon.