Everyone has his own ideals and ambitions, but not everyone can achieve them, especially some unrealistic ideals. No matter how hard you try, you may not be able to achieve them, so you will be unhappy all day long. There are also some people who demand perfection in their life and work and are almost harsh on themselves. As a result, they still suffer.
Therefore, if you want to get rid of this frustration and feel happy, you should set your goals within your ability at ordinary times, so that you can do things wholeheartedly, and you will feel sincerely happy and feel comfortable when you reach your goals.