Lucky Charm

Apparantly, if a pretty young lady siting next to you in class begins poking a clear plastic sandwich bag filled with what looks like mucus -- as you find out later, it is actually borax mixed with alcohol -- asking her if the bag is her "lucky bag of snot" that she brought as a charm for the test that the two of you are about to take is a bad thing. She will most likely reply indignantly that it is a science experiment and choose not to talk to you for the rest of the class period.

Who knew?