He looked away briefly, then back.
"I only know I could not let you leave this house believing you had been nothing to me but an embarrassment my aunt exposed in a gallery. When the truth is, you were the first honest thing I had seen in this family in a year and a half. And I have been watching you the way a starving man watches a lit window for longer than either of us has admitted."
The fire popped once in the grate. Somewhere below, faint through the floor, Toby's laughter carried up the back stairs, oblivious to everything being decided above him.
"Why the dog?" Iris said finally, because it was the smallest question and the only one she trusted her voice with. "Of everything you might have watched for, why did that convince you?"
"Because no one was going to reward you for it," the Duke said. "No one was going to know. I have spent my life surrounded by people who are exquisitely kind when it is observed and profitable, and I had begun to believe that was the whole of what kindness was. You taught me otherwise without knowing you were teaching me anything at all."
He looked down at his own hands, folded still in his lap, the only part of him, she thought, that had not learned to hold perfectly steady.
"I am not offering you anything tonight, Mrs. Barlow. I want to be plain about that, because I think you have had enough of being maneuvered by people with more power than you. I am not asking you to answer me now, and I will not think less of you whatever you decide. I will not let it touch your place in this house or your son's welfare either way."
His voice roughened slightly.
"I would rather have your honest no, freely given, than a yes you felt cornered into giving a man who cannot even rise from this chair to see you to the door properly."
"You think that matters to me?" Iris said. "The chair?"
"I think it has mattered to a great many people who claimed to love me before it. I have stopped assuming it will matter to no one merely because I wish it so."
"Then you have been watching the wrong sort of woman," Iris said, and something in her voice was not quite steady for the first time that evening. "I did not fall in love with your legs, Your Grace. I did not know you well enough to love anything about you until a boy with a wooden button climbed into your lap and you let him stay, when you might so easily have sent him off and no one would have blamed you for it."
She drew a breath that shook.
"I loved you a little for that before I had any notion what you had done for my son in the dark of a February night I nearly did not survive myself."
He looked at her then the way he had not let himself look at anyone in eleven months, without guarding it, without the careful stillness he wore like armor in every other room of that house.
"Say that again," he said. "Slowly. I find I want to be certain I have heard it correctly."
"I loved you a little," Iris said, "before I knew what you had done. I love you considerably now that I do. That is the whole of my answer, Your Grace, and I do not require a fortnight to give it, though you were kind to offer me one."
He asked then if he might take her hand, and she gave it. He drew the glove from it himself, finger by finger, with the same unhurried care he had given the wooden button on his birthday, as though it were the only object of value in the room, and pressed his mouth once, briefly, to her bare knuckles.
He did not let go of her hand for a long while after.
"I would ask one thing of you," Iris said, when she trusted her voice again. "Whatever comes, however hard your aunt makes it, I would be spoken to plainly. Not managed. Not protected from unwelcome truths the way a duke protects a delicate thing. I have had enough of people deciding what I am strong enough to hear."
"You have my word," he said. "It is, I think, the only thing I have left that my aunt cannot take from me. And I find I would rather give it to you whole than keep any part of it in reserve."
"Then, Your Grace," Iris said, "yes. It is the only word I find I need."
Lady Honoria brought her petition to Chancery within the month, and it failed within the week for the simple reason that a duke who could dictate correspondence, manage his own estate books, and appear before a magistrate's clerk to answer every question put to him with perfect clarity was not, by any measure the law recognized, an incapable man.
She left Kestwick Hall before the spring planting for a smaller house in a quieter county, and the invitations she had once sent by the dozen went unanswered by a household that had finally learned it owed her nothing.
Roderick married a mild young woman of his aunt's choosing and was, by all reports, entirely content to never again be spoken of as anyone's heir presumptive.
The wedding itself was a small affair by a duke's standards, held in the chapel at Kestwick with Mrs. Hatch weeping without shame in the second pew and Toby, solemn in a new blue coat, carrying a wooden button in his pocket that no one but the bride and groom understood the significance of.
A year later, almost to the day, the fire in the small morning room burned the same as it had the evening of the confession, and the old blind hound slept before it, fat and unbothered, on a cushion that had somehow become permanently his.
Toby, three now and considerably steadier on his feet, sat on the rug building a tower of wooden blocks with the fierce concentration only a small child can bring to a task of no consequence whatsoever.
The Duke sat in his chair by the window, not watching the drive this time, but watching his wife cross the room toward him with two cups of tea balanced with the same plain competence she brought to everything.
She set the cups down. She took his bare hand in hers, the glove already off, the way it so often was between them now, and their fingers laced together and did not let go.
Not when Toby knocked his tower flat and laughed at the wreckage of it. Not when the hound stirred and sighed and settled again. Not for a long while after the light outside had gone soft and gold and then to dusk.
It is a small thing most nights to be seen. It is the only thing that ever proves what a person truly is when they believe no one of consequence is watching at all.