Wide-eyed was probably the best term to describe Warren. At least, physically.
"You-"
Then he remembered they were in public. He regained most of his composure, but he still looked at her with surprise. She talked to him in his mind. Does that mean she could read his mind, too? Did she know he thought she was hot? Oh crap, don't think about that Warren. Only focus on how impressive it was that she turned on her heels. Her high heels. And the talking to him in his mind.