"Hmph.. Since when did sweets sell better than kisses from beautiful bunnies? Pfft! Those cupcakes probably taste about as good as a bunch of rocks!"
Yes, that's why there's a long line at her booth. Because her pastries taste like rocks.
"And with a cupcake, get a free Valentine's Message.. Well, my kisses are going for the same price as your cupcakes, take that!"
She may be a teeny bit jealous.