Robert's sharp senses were only temporarily off. Earlier on the phone or when he was standing by the door, his mind immediately went to worry about Rosanne's well being and how exhilarating to see her again. He was not acting like his usual self. He was simply using his feelings for her as a base of action.
But right now, Robert can feel all his senses being so... sensitive. He is so attuned to her.
He realizes he is fine. His super power is still fine. He was just distracted.
Robert slightly moves his right side knee away from Rosanne's knee, because they were touching. He clears his throat to answer Rosanne's question:
