If he had been nothing to her but the man who knew more about Tyson than anybody else?
She had always had a way of making him talk about Tyson, while he seemed to himself to be most engagingly egotistic.
And he had once thought that Mrs.Nevill Tyson adored her husband for his (Stanistreet's) benefit.

There was this summer, and that moment in the library at Thorneytoft--Mrs.Nevill Tyson was beyond him.

And he had been three years trying to understand her.

He was a man of the world, and he ought to have understood.
Ah--perhaps that was the reason of his failure! He looked at her again.

She had shifted her position, turned her back on the stage; her eyes were lowered, fixed on the programme in her lap, but they were motionless; she was not reading.