There are countless reasons to be frustrated in life, things don't go as expected, issues happen, failures, mistakes, etc.
When frustrated instead of focusing on the problem, being negative and have bad attitude, complaining and nagging all the time, feeling annoyed, hurt and betrayed.
Try to immediately focus in the "good" in events, people, things and situations
Then you'll be able to deal with the frustration with a better mindset which leads to better decisions and results.
