[No, she doesn't know the words, but she's not dumb. She gives him her attention intensely. And the idea behind what he means is pretty clear.]

I'm aware of how you feel about me, and Cassandra.

[When she says Cassandra's name, she mimics his gesture across the cheek, with a bit less intensity than he used when doing it. She's intending to learn.]

The question is how do we live together without coming to blows.