Her head tilted in agreement there about 'happy endings,' ever so casually glancing over in the direction that the Gryffindor tower was from their location. Tonks had been a kid, nine years old, but remembered how her parents -- her mother -- took a lot of the news, particularly news about Sirius.
Not one to linger in the darker areas of memory, nor one to let others do it either, she ran with the commentary on their shared history professor. "That's why I think if we can find him, we can get a few answers!" She paused then, chortling a bit. "Or at least a natural sleeping helper if we're having bouts of insomnia."