Dean watched the display with a note of blank skepticism. Not because he didn't believe in magic, but because he'd never seen magic used like that. More often than not, when magic was concerned, it was actively trying to kill him.
But, nothing here so far had been the same here as what he was used to, so he was open to her explanation. Especially after she retrieved the pants from the other room.
"Well, I've only ever seen angels do that," He began, pointing at Lisa's leg, before realizing that he'd originally turned around to give her some privacy, and he immediately did so again. "And I don't remember ever meeting a good witch or whatever the hell you are, but... thanks for that. Now any chance you can use that to bippity boppity boo that ghost back to wherever it came from?"