"You are, Detective," Lucifer said. "Think of it this way, when was the last time you saw me? Actually, when was the last time you saw me? What were you doing when you arrived here? But yes, as I was saying, the point is you're still there. I'm still there. Trixie is fine. And it's weird. I wouldn't think about that too much."
Especially if she got to the same conclusion that Beckett had drawn, that everyone she knew from the past was now dead. At least Lucifer had the sense not to mention that.