He gives her a flat look like she thinks he's an idiot. Gilbert can see that she doesn't have a Mask.

"Really!" full Walmart cashier in the strongest working-class London accent to ever not be coming out of a cab, "how interesting! I'm not very up to date on trends. I've always wondered how they come about- always worry about getting caught up in one unexpectedly."

Read: will what happened to you happen to me?