[Ralph's not terribly observant, so he doesn't pick up the scents or sounds of Virgil coming in. Even if he was better at spotting things like that, he's too tired and preoccupied at the moment to focus on things like not getting snuck up upon.

When Virgil suddenly addresses him from behind, Ralph whips around, jumping up and making a noise that's a bizarre cross between a yelp and a bearlike snarl.

He's clearly surprised by his visitor, but since Virgil doesn't seem to be a threat, he takes a moment to calm down, breathing heavily from his sudden jolt of adrenaline.

Once he's caught his breath, he answers, sounding weary.]

I'm wonderin' that myself. I can't really remember the last few... hours?