Christine really knows of River than actually knowing her. At some point, all the meandering around has to be noticed even by those who are busy. And Christine knows Simon. Sort of. All right, she knows of Simon too. They haven't really spoken.

But today she catches River alone, with Simon no where in sight. She has little knowledge of what's wrong with River, but she could probably do with some food.

"Hello," she greets gently. "I was going to go get lunch. Would you like to join me?"