The dinner-crashing vampire nearly got Bertie killed, so he’s understandably fang-shy.
Arthur: Let’s check the office. Maybe he’s waiting there. If you’re lucky, you might even get to meet Alucard.
Bertie: Ooh, I’m not sure I like the sound of that.
He’s your monster, yes? Like the fellow that Stoker chap wrote about, or the one that crashed my aunt’s dinner party.
Arthur: You told him about Alucard?
Jeeves: Bertram can keep a secret when necessary, sir.
Arthur: But it spoiled my dramatic reveal!