['We had a car alarm go off at work and I started getting upset that no one was turning it off.  Then I discovered it was from my car.', 'why did it go off?', 'Just a false alarm like most other times.  I felt pretty stupid getting mad at the others']
oh, well you live and you learn
I heard a car alarm go off at work and started getting really frusterated.  Then I realized it was my alarm