It is the gift of instinct.

You are very young, and I know very little about you, but I know that you are to be trusted." "If I could serve you," he murmured,-- "You can," she interrupted.
Then for a time she was silent.

Some new emotion seemed to move her.
Her face was softer than he had ever seen it, her beautiful eyes dimmer.

His mind was filled with new thoughts of her.
"Mrs.Weatherley," he pleaded, "please do believe in me, do trust me.

I mean absolutely what I say when I tell you there is nothing in the world I would not do to save you from trouble or alarm." Her moment of weakness was over.