Well... [He nods, more to acknowledge her point than exactly to agree with it.] By that logic, why would they flirt as a joke? If their spouse doesn't like it, it doesn't really matter what the intention is. So, I mean... I'm guessing Barry doesn't have a problem with it.

[His hands gesticulate with every other word. All the nervous energy from trying to put together an argument that'll hopefully help Elsa has to go somewhere.]

And maybe... Mind you, I'm not sure... But maybe they have that kind of open relationship going on.