midnight
repeated Dan , flushing a little as he looked into the lovely blue eyes that met his so frankly . `` I confess , monsieur , I must first discover if you are really deserving of my efforts . I care to know very much why you watched me last night at the House on the Dunes . For what reason do you watch me at midnight ? a stranger , a woman ? Why is it that my affairs give you interest ? I would know . ''