Cartman and Wendy are MENT 2B. Wendy had a dream of Cartman BUCK NAKED riding a HORSE and then rolling around in the grass with her, for chrissakes. And she proved that she can be just as batshit as Cartman when she killed that one substitute teacher they had who made everyone's pants tight.
Stan is too much of a pussy for that sort of woman. He should go have gay sex with Butters instead or something.