[She knows when she's being ignored. This doesn't strictly feel like it. His wandering eyes do, however, mean she's going to catch his sleeve again to drag him properly toward the floor-to-ceiling tank with the largest sharks--largely surrounded by elementary school children.]

You know, there's a few theories, but most experts can't agree on which makes most sense. Generally? We blame either the ice age, the extinction of large enough whales for them to eat, or maybe--maybe--new competition from orca whales. [Wait for it.] Killer whales. Like 'Free Willy.'