No, of course Charlie wouldn't blame him for it or anything. She knows him, very well, so perhaps he shouldn't be surprised when she catches onto his mind wandering a little.

Even if she is really quite a good distraction; especially the slight flush and... well, as cheesy as it sounds; her eyes. And smile. And... well. He's always liked... looking at her, hasn't he? It's always made him happy.

"Hm?" he asks, blinking innocently. "Fine, just fine!" What do you mean that's not quite the right way to respond to her question? Close enough! "Just... thinking."