You may be a reference librarian if...

...if you've ever returned to the Reference Desk after running an errand across the library, only to come upon a man using the stapler.

With nothing being stapled.

Just stapling air, quite happily.

And then, as you got close enough to offer assistance, he scooped up all the bent staples with great care, and carried them back to where he left his backpack.

At this point, I stopped watching, not really wanting to know what he was doing with a dozen or so bent staples....