they learn

My students are finally learning that sometimes, I can be more stubborn than they ever thought imaginable.

Tony: Ms. Reed, I need you to print out a new grade report for me.
Me: You do, huh? Well, I'm pretty sure I gave you one yesterday.
Tony: Yeah, but I turned in a late assignment, so that should have brought my grade up.
Me: You sure did. Good for you.
Tony: Right. So, I need.... Forget it. You're not going to budge. I'm wasting my time.

If only the rest of them would pick up on this.