[She's never been happier to follow an order in her life as she stops laughing and glares at him.]

Did you eat one of those pastries on the way here?

[And as she asks, she realizes the other common variable, the flower. Strange mood altering flowers have shown up in town before, why not ones that did worse?]

Either there was something in those, or that blue flower is making me [She cringes.] compliant.