(I'm in my office talking to the student assistant.)
Me:...so, from the tip to the fold, it can't be more than four inches or you can't stick it in. It just won't take it all the way and you'll just end up making more work for yourself.
(Boss walks by and pokes his head in room.)
Boss: (alarmed) What are you talking about?
Me: Envelopes. In order for them to seal in that machine they can't be more than four inches from the tip of the flap to where it folds. What did you think we were talking about?
Boss: Oh god, I shouldn't say.