Harry could feel Snape tense but decided not to comment further. Picking up the book, Hermione had offered, he sank back into the cushions. Ever so slightly, he could feel his professor reaching out for him. Yet the man only allowed himself contact with but the tips of his fingers on Harry's robes. Somehow the teenager felt as if the older wizard believed that not even that should be allowed. To ease the man, he leaned against him and started to read out in a whisper. They decided to test the reflexes in the Potion Master's eyes to determine if the problem was physical or mental. His pupils dilated as expected; the organs seemed unharmed.