"Professor Snape has asked me to take a look at the wound on your neck, and provide a second opinion," Dumbledore said serenely, his eyes flicking down to his neck before returning expertly to the same spot on Harry’s forehead, "if that is alright with you, I would ask you to open your collar for me, so that I might see your injury more clearly," Harry resisted the urge to swallow back his anxiety, and did as he was asked.