She stumbled through the snow.

"Take care, Constance.... The pavements are slippery.... Take my arm."

"No, I can manage."

"Take my arm."

She took his arm. She slipped again; he held her up. He felt that she was trembling.

"Are you cold?"

"No."

"You've got a thick cloak on."

"I'm not cold."

"What are you so nervous about?"