I never thought this would be possible but I managed:
In a 12 square-meter room I managed to lose something and not find it back.
Now, nothing special, happens all the time. And if it was a screw or some small item I would definitely agree but what I’m missing is: My pants. Crazy!
I am writing a test at 2 p.m., I don’t want to write it without them :)

Update: found them 2 hours later, now I can leave the house.