"Bring me that vial," Mary said, grabbing a broom and pointing it at the cow vial. Rob did as he was told and grabbed the vial. He walked around Mary's mammoth milker and gave the vial to her. Mary had found a chair near the wall and had sat in it; at least now she didn't have to stand up with the weight of her enormous udder. Mary drank a little from the cow vial, not enough to actually turn her into a cow. Mary suddenly grew short, white fur all over her body. Black splotches also appeared. Mary's feet turned into hooves, which were the size of her original feet. Finally, her ears became more cow-like, becoming longer and pointed. A ropey tail grew from her lower back.
"Why did you do that?" Rob asked. Mary shrugged.
"If I'm gonna be a cow-girl, I should at least look the part," she half-giggled. "Could you do me another favor?" Rob asked what she wanted.
"Could you get me to the couch?" she asked. "I'd rather lie down with this thing." Rob said that he would if he could and moved everything in front of Mary's couch out of the way. He then went over to Mary and tried to help her up.
After a minute of lifting, Mary was upright. Rob sort of dragged her to the couch. He did this by carefully holding Mary off the ground a bit and letting her udder drag, which lessened the weight. Mary's udder moved easily because of all the fluid in it, and soon she was on the couch. Mary lay down and sighed.
"Thanks," she said. "Could you..."