Guided only by what was simple and probable, it had never entered her head that Mr. Tilney could be married

He had not behaved, he had not talked, like the married men to whom she had been used; he had never mentioned a wife, and he had acknowledged a sister. From these circumstances sprang the instant conclusion of his sisters now being by his side; and therefore, instead of turning of a deathlike paleness and falling in a fit on Mrs. Allens bosom, Catherine sat erect, in the perfect use of her senses, and with cheeks only a little redder than usual.