One of the things I love most about traveling is that if you want to be happy while going around the world, you must learn how to be accountable. When visiting a new city or country, many circumstances are out of your control. Things may not unfold the way you expect them to. What is in your control is to be accountable for how you respond.
You can get angry, righteous and prove your point right by blaming, but none of this will make you happy. Here's one of my favorite passages from The Choices Happy People Make: