As she looked at the vial, it started to slip out of her fingers. She gasped, and realised that her hooves were still forming. The gnaws the cork off with her goat-like teeth, but the vial slips from her fingers. She shouts "No!" as it hits the ground, spilling out the contents. It hasn't broken, but she's going to have to wait an hour or so before the vial refills.... Just as she starts to feel strange again.