Tristram, who was a normal Englishman, self-contained and reserved, and too completely healthy to be highly-strung, felt undreamed-of sensations rise in him when he looked at her, which was as rarely as possible.

He understood now what was meant by an obsession--all the states of love he had read of in French novels and dismissed as "tommyrot." She did not only affect him with a thrilling physical passion.

It was an obsession of the mind as well.

He suffered acutely; as each day passed it seemed as if he could not bear any more, and the next always brought some further pain.
They had actually only been married for ten days! and it seemed an eternity of anguish to both of them, for different reasons.
Zara's nature was trying to break through the iron bands of her life training.

Once she had admitted to herself that she loved her husband, her suffering was as deep as his, only that she was more practiced in the art of suppressing all emotion.