At the beginning of their acquaintance certainly there had always been others by, but afterwards there had been opportunities enough.

But by that time, what with her father's and Mrs.Willoughby's hostility, she had begun to suspect that Drake was in some way implicated in the mystery.

Was it because she was afraid to know it for certain that she had refrained?
She recalled her letter to him written last Monday, and how she had crossed out 'importance' and substituted 'interest.' Was this knowledge important to her, really important, bearing issues in the future?
It could only be important, she realised, if she set great store upon her acquaintanceship with Drake.

Drake, in fact, had achieved something of a triumph, though quite unknown to himself, for he had compelled Clarice Le Mesurier to abandon the consideration of his attitude towards her in favour of a search after the state of her feelings towards him.
She was still engaged in the search when the clock struck six, and, rousing herself brusquely, she rang the bell for the lamps to be brought.
At that moment Mrs.Willoughby had just finished telling to Fielding the story which Drake had told to Clarice.
'So that's what Drake was referring to on Sunday,' said Fielding.
'Yes,' said Mrs.Willoughby.
'What in the world made you attack him in that way, if you didn't want Clarice to suspect ?' 'The fact was, I was a fool, I suppose.

I just put my head down and charged.