[She reaches up, hand pressing against his chest. He doesn't know why his being here is such a big deal to her, why his very presence makes her emotional. And he can't ever know, and that's the part that's killing her.

So she does what she always does as far as the Doctor's concerned. she puts a smile on her face and is brave through those big feelings that threaten to overwhelm her. She's gotten good at lying through a smile, making him think that everything is going to be just fine.

The way she reaches up to adjust his bowtie just helps the lie move along.]

The good thing about that is she's your wife.

[Something she could never hope to be.]

You and I, we -

[His bowtie gets a little pat now that it's properly straightened.]

We'll figure this out. Same as we always do. A few timeline issues won't come between us.