"Ghaah!" Jess bleated at Mary. "This isn't funny! I'm, a ghoat!" Her larger teeth weren't helping Jess's case. Mary burst out laughing.
"Awww...Jess, but you're a cute goat! Really!" Mary sat next to Jess and put an arm around her changed friend, cautiously giving her a hug and pet, trying to calm her down. Jess relaxed a bit, though she pouted, pushing her rubbery lower lip out. Mary bit her lip to not laugh at the comic expression.
"Look, if you're not happy about this we'll just change you right back to boring old human. How about that?" Mary gave an encouraging smile. Sighing, Jess looked down at herself again. She ran her hoof-like hands over her furred body, touched her tail, and handled her horns.
"OK." Jess took a deep breath and exhaled, visibly calmer. "This is just too weird, I've become an animal...a ghoat. With a tail! I wanna go back to human, Mary."
"Alrigh, no worries, we'll have to back to human in no time!" Mary stood up, giving Jess a reassuring pat on her furred shoulder and went over to the case of vials. She unstoppered a vial and poured the entire thing into a shot glass and handed it back to her friend.
Jess took it like she was dying of thirst and gulped it down. Mary looked on, expecting the change, as did Jess...