Emotional breakdown is easy to a large extent because of poor mental endurance. It is easy to have an emotional outburst due to some stimulation, which is called breakdown. Therefore, the most important thing to solve the problem of easy breakdown is Improve your mental endurance, but this is not an easy task.
Everyone’s psychological state is different, and it has a lot to do with their growth environment and experience. Therefore, everyone’s tolerance is different, and it is not necessary to train your own psychological tolerance. It's very simple, but as you said, it is a good way to resolve the sadness in your heart. It can relieve your inner knots and resolve your negative emotions.
But how to do it specifically? I think you must have a good friend who you can talk to. You can try to tell your friends about your worries, sadness, and difficulties you encounter, or you can talk to your parents and ask your parents and friends to suggest some solutions for you, or give you some advice. You provide help, and the close and reliable relationships of parents and friends can also have a comforting effect and help you calm down emotionally.
If you feel embarrassed to express your concerns to your family and friends, you might as well consider making a pen pal or making friends online, and you can express your concerns to these strangers without any financial gain involved. In fact, things are more relaxed and comfortable.
Developing the habit of writing a diary is also a good way. If you think people’s words are not so reliable, what is more reliable than a silent diary? You can try to keep a diary when you are sad and broken, and write down your unhappiness. After a while, you can look at the problems you encounter, and you may find that all you encounter are actually small problems. . And you can also cultivate and train your emotional stability and calmness through writing and practicing calligraphy, which is also very helpful for patience.