ten o'clock
And I 'm going to find out where and what it is . '' `` And how are you going to find that out ? '' he reiterated . `` Come along with me , '' I cried a little presumptuously , a little excitedly , `` and by ten o'clock to-night I 'll have your reason for you ! '' My flash-in-the-pan enthusiasm was shorter lived than I had expected . The tingling and wine-like warmth soon disappeared . A reaction set in , once we were out in the cool night air .