His gaze softened when Tony admitted to being exhausted and having nightmares. "I'm here, if you do. I'm not going anywhere," he said, his voice soft.

Anyone who knew Arthur (or knew of him) would probably never suspect him to act or be capable of being tender and loving like he was showing Tony. It was simply because of Tony, being Tony, that Arthur acted this way.

He leaned down and nuzzled his nose against Tony's. "Honestly, I'm a little tired myself." He had been up for a bit over twenty four hours.. give or take.