Rob comes across a vial marked 'Size Shrink' which he assumed would make the drinker smaller. Rob could certainly not do much for Mary at her current size. But, if he could shrink her down, he could easily help her. Briskly Rob takes the vial and walks over to Mary who is nearly immobile from her massive udder.
Mary's attention has gone exclusively to her udder which keeps swelling. Panting, Mary massages her udder in a vain attempt to relieve the pressure.
"Mary, drink this." Rob said, pressing the vial to Mary's lips. Mary, not caring about much else but her udder opens her mouth. Rob is unsure of how much to give her so he pours a little down her throat. Almost immediately Mary begins to shrink. She loses a couple of inches, but nothing else. Satisfied that the vial will work, Rob now pours...