While the voice of the mare fell into the ears of Twilight and she just froze on the spot. Her expectations for the potion were that it would at least work through half of the night. The other unicorn didn't even dared to make a sound as her heart was beating all the way up in her throat. She was praying for a good ending on the events. Whatever 'good' there might be given to the just discovered truth behind the mare she called a 'friend' for so long.