You may be a reference librarian if...

...if you've ever wished you had a mirror on a long stick that you could use to peer over the balcony wall to see who's unwrapping the world's noisiest candy wrapper. Cause if you had it, you could positively identify the offender and remind them about the rules. But no, having no mirror on a long stick means that by the time you get up there, the candy will be in mouth and innocent cherubic facial expressions will be firmly installed.