So far in crime, there was no turning back; he could even enjoy the anticipation of each new move in the game, certain of winning.

He could be cruel now for cruelty's sake; it was a form of fruition.
'Well,' he said, 'it is your own concern whether you believe me or not.
If you wish for evidence, you shall have it, the completest.

What I have to say is this.

From now till Monday morning your father is free.
Whether I have him arrested then or not depends upon yourself.

If you consent to become my wife as soon as it is possible for us to be married, neither you nor he will ever hear another word of the matter.
What's more, I will at once put him in a position of comfort.