He clung to the Doctor. Wrapped his arms around him and clung, as if the Doctor was the only thing stopping him falling from a great height without a safety net. He was still trembling, still sweating, still sick to his stomach and utterly terrified by the huge, echoing silence in his head.
"I'm scared," he whispered, still finding speech hard, having to drag up the words from a great depth. "I'm so scared."