Scratching his unshaved chin, an unusual look for the usually so immaculate wizard, Tom tilted his head. "There has been no Death Eater activity since the Department of Mysteries and your friend was there, so it's unlikely that he will develop nightmares nearly a month later. You are well again, even after the backlash of the ritual. If it's not outside influence, I assume Ron's distress comes from his family. He has already told you how manipulative his mother can be and how firmly she is in Dumbledore's pocket. I think it would be best for you to let him come to you. As your friend, he certainly would not like being investigated."