"But you must know that." In a flash she became aware that it would be impossible for her to behave to Michael as she had behaved to him for several months past.
She could not any longer put a hand on his shoulder, beat time with her fingers on his arm, knowing that the physical contact meant nothing to her, and all--all to him.

The rejection of him as a lover rendered the sisterly attitude impossible.

And not only must she revise her conduct, but she must revise the mental attitude of which it was the physical counterpart.

Up till this moment she had looked at the situation from her own side only, had felt that no plans could be made, that the natural thing was to go on as before, with the intimacy that she liked and the familiarity that was the obvious expression of it.

But now she began to see the question from his side; she could not go on doing that which meant nothing particular to her, if that insouciance meant something so very particular to him.