What could you do less of?
Frustration is a negative emotion which may causes due to disappointment, anger, annoyance, and many more. If any individual may not achieve their goal then it may occur frustration among people.

Several may causes of frustration such as unemployment, not marry with any partner, comparison with others, lose confidence, and many more. Frustration is a negative feeling and is very harmful for your career in the future life.
I also control our frustration by increasing confidence, try for better to achieve our goal, hard work, never give up, and many more. I also share our problems via blogs with our blogger friends to reduce our frustration.