"Wait!" Tilly put her hand up to her hair. She didn't want Johnny to be shocked. "My hair has turned white," she whispered.

"It's all right." The doctor gave her a gentle smile. "It's been white for some time. He won't be worried. Now, listen. I don't want you to be worried either. He has experienced some paralysis of the right side of his face, so his mouth is drawn down. And his speech is a little slurred. Maybe you should look at him through the window for a moment, just to get ...