The light that had once flickered behind Uther's eyes as her flowing hair glinted in the sun had been extinguished with her burial.
Everybody knew.
So when Catrina arrived, they should have watched his eyes. Uther might have smiled but he was still dead behind the eyes.
His heart could never be in it; it wasn't his to be given away.
Of course, the deadness in his eyes became clear once the Lady turned out to be a troll.
Even when Uther blinked and saw her the deadness remained.
Arthur looked sadly at his father, because he could see now.