Mary's growling was a low rumble, and she lowered her head to butt Jeff in the chest. He could tell she meant to do it gently, but with her increased size, the move actually knocked a bit of air out of his lungs! Stroking her enormous head, he gently but firmly pushed her away.
"Oof! Honey! You've gotten so large I don't think you are aware of your own strength! Or size, or weight!" Jeff gazed into his wife's golden eyes. "I, uh... I think I'm going to need to try a vial of my own just so you don't accidentally squish me!"
Mary's tail lashed rapidly at that, and she nodded her giant head at him enthusiastically. She rose quickly to follow him back into the dining room where they'd left the Vials.
Jeff perused the shelves, swiping the heading this way and that. "Hmm... Should I be a big cat like you, hon? I don't want to become a prey animal and have to put your new instincts to the test!" He pet her shoulders when she sat next to him at the table, as her head reached almost to his collarbone. "AhHA! Ohh, this one could be fun!" Jeff exclaimed excitedly. Mary tried to see the label, but Jeff covered it with his hand. "I think it'd be more fun as a surprise, Mary! Just see if you can guess what I'm becoming!"
And with that, Jeff uncorked the vial and downed the contents.
But what had he chosen, Mary wondered, tilting her giant head quizzically..........