Foster stops looking so thrilled--in fact, he manages to look briefly annoyed when she grabs him by the arm, saving him from the pending spill--but it immediately becomes apparent he can't actually get back up from this angle, so he just looks back up at her, smiling thinly.

"It's not real," he says, just shy of condescending. He was trying to get his legs under him, but this... is kind of painful? It's like a shooting pain down his side, not in the socket but in his muscle and across his ribs--

"A machine made to mimic feelings!"