The twins' minds may have swapped, but their bodies haven't forgotten their desires. Mable, now in Dipper's body, finds herself craving the curves she once inhabited. She fondles her new, smaller breasts, missing the fullness. Meanwhile, Dipper, in Mable's form, feels the weight and sensitivity of her large breasts, his body aching to be touched. They explore each other, their minds confused but their bodies knowing exactly what they need. Their minds may be in the wrong bodies, but their lust is undeniable.