Over the years I've had to deal with "customers". I'm not very good at it, short temper and I cannot stand morons. Not that every customer is wrong, it's just that they are NOT always right.
This guy seems to think they are, check out the greatest hissy fit of all times. Caught on camera in a Brooklyn Post Office. I gotta say that I wouldn't think that losing it in a United States Post Office would be a good idea, one of their staff is likely to pull an AK47 out from under his/her desk on ya and go "postal"
More on the story here
Be warned his voice is hell annoying!