Why, here are you staying here and risking your life for us, though we are not related to you and have no claim upon you.

And how could Victor run away?
But as Marie seemed pleased to think he was safe, I said nothing; but I know, if he had gone, and some day they had been married, I should never have looked upon him as a brother.

But I felt sure he wouldn't do it, and that he was in Paris still.

Then, again, you did not tell us the name of the friend who was working with you, and I felt sure you must have some reason for your silence.

So, putting the two things together, I was sure that it was Victor.