Me, panic stricken: Oh no, the coffee grinder isn’t working. It seems like the beans aren’t falling into the grinding mechanism.
Unknown Coworker: Is it plugged in?
Me: What are you, in tech support?
Unknown Coworker: Um I’ve done tech support before.
(Luckily I was able to scrape enough residual grounds and leave someone else with the problem as is human nature, at least when I haven’t had coffee yet.)