He can almost hear the thinking going on, but not in the way he could 'feel' it before with all of the empathy in his head. This is just standard Harvey Specter observational skills.

"Dawn," he says softly, "mistakes are a part of life. My question was - did you like it. Did you enjoy doing it. Forget about the people. Just the act itself." Yes, he's aware that the 'who' is just as important as the 'what', but that isn't his current question. He's making her think and separate things.