This is why he acceded with such alacrity to my request.

This is why he was so afraid of being late.

He has been helping her to smell the jasmine, and to look down the datura's great white trumpet-throats.
Even at this agitated moment I have time to think this with a jeering pain.

The next instant all other feelings are swallowed up in breathless dread as to how they will meet.

My fears are groundless.