I advanced towards her, holding out my coat.

"I must lay this over you," I said.
"I am afraid now that I shall not get you to your home before it begins to rain hard." She turned to me so suddenly that I made ready to catch her if her unguarded movement should overturn her machine.

"You mustn't do that at all!" she said.

"It doesn't matter whether I am wet or not.

I do not have to travel in wet clothes, and you do.