It is all on the surface.

I always know when she is thinking about her husband or child, because her face gets rigid; she looks then as she used to look after her child died, as though she didn't care what became of her and she would just as lieve kill herself as not.

I don't think she will ever let herself love any one again.

She has a horror of it.

She is much more likely to go in for ambition, or duty, or self-sacrifice." They rode on for a while in silence, Carrington perplexed by the problem how two harmless people such as Madeleine and he could have been made by a beneficent Providence the sport of such cruel tortures; and Sybil equally interested in thinking what sort of a brother-in-law Carrington would make; on the whole, she thought she liked him better as he was.
The silence was only broken by Carrington's bringing the conversation back to its starting-point: "Something must be done to keep your sister out of Ratcliffe's power.