Dipper walks back to the mystery shack after an adventure in the woods of gravity falls. when he gets there he sees his Sister Mabel. and the teenaged tomboy cashier of the mystery shack Wendy. they were on the couch with their bare feet on the coffee table. Mabel has a teasing smirk while Wendy has a look of disgust

Mabel: "Hey Dipper, I noticed you were staring at my feet when we went to the lake. does my brother have a foot fetish?"

Wendy: "Omg Dipper you like feet that's so gross