It is a product of Shelley's determination that he isn't going to rule her life, now he seems to have lost the Power. Terrified she might be, but she can get over that.

And eventually, he'll be nothing more than someone who stays around because he has nowhere else to go, and she can get on with life.

That's the hope.

Because if she can't stop reacting to him, it's just as if she was in the Second Age again, only here she has to pretend everything's fine.

She stares down into her glass, apparently forgetting the meal.