[Saul looks skeptical, but not because he doesn't believe her. He looks skeptical because he sometimes forgets that she's from a world he — up until his arrival here — only knew as fiction.

And then moments like this one turn up.

It freaks him out, a little.]

I always have an ace up my sleeve.

[Even now. There's no plan for it, but it's there.]

If it's a gas, wouldn't we run the risk of screwing with more than just one person? Unless we isolate him. That's doable.