He still suspects she's quite crazed when she suddenly decides she's going to find Alistair.

"Alistair is here?" Bayard looks excited, not because he's heard anything about Alistair but simply because someone Tabris cares for has arrived, and that, he thinks, is more cause for celebration than any of the source of the current festivity. "I'll wait here, Miss Tabris."

She likely can't hear him, though, having disappeared into the crowd. He hopes Alistair is better at helping her through her hysterical fit than he is.