You heard the lady, go, go, GO!
What a pity, right? You're having a great time with your friends around a campfire, telling scary stories, eating your marshmallow... But you didn't remember that tonight there is a big fat full moon on the sky...! o.o
Now I wonder, is she telling everybody to run because she is gonna lose control over her mind... or is she just embarrassed for her clothing tearing apart? I guess both excuses are fair enough xD