Thomas didn't realise at first that she'd cut herself. "Hey, are you all right?" he asked, concern showing his features when he did realise it. Of course he had no idea she'd dropped the knife because she was distracted thinking about him, and his muscles. That thought would never occur to him.
He liked her, and he wanted to get to know her better. He wondered how it would feel to kiss her, sure. But he wasn't expecting anything of the sort. he barely knew her, and he had no idea how relationships worked. Especially just starting out, not really knowing each other.