This is a bit of a crass post, but bear with me. Sorry if it offends.
In my job, I deal wth a lot of store clerks and other people who are in the customer service field. Most of them at one time or another have complained to me about customers coming and being complete a-holes and "pissing" on them (I can attest to complaining about the same things as well). To be sure, it makes a job harder and more frustrating....
Then I thought about a job that would be much, much worse...
Consider a job where everyone you face is an a-hole or wanting to piss on you or violently spew whatever grievance they may have with the world onto you; always showing you their worse side, and you have to remain professional and clean up their mess every time, ready to deal with the next a-hole in line.....
....be thankful you're not a toilet.