[She notices, not that she knew they were fading at all before, but her concern is more with how he struggles with telling her all this, putting her hand on his arm in an attempt to reassure him.]
Hey... It's okay. I don't think any of us could pin you as someone that'd do this because of the trouble. [A little teasing? But gently, smiling a bit.] Arthur, if you think the queen would ask you to forget about someone you love over some politics, whatever the weight of it, you really need to go get reacquainted with her.