In this case, it is best to find something that interests you first, find your friends or family, and let the close people talk or vent in a familiar way, instead of keeping it in their hearts.
It is a good choice to form a good habit, such as reading or swimming. You can also practice calligraphy and learn calligraphy every day. Perfect yourself. Cultivate one or more strengths that are stronger than those around you, so it is easier to improve self-confidence.
These may all alleviate this negative mentality. When this mentality reaches a serious level, it is recommended to have a good sleep, or concentrate on one thing and divert your attention. You must not think about those negative emotions for the time being, and don't continue to be so bored, which will make your negative emotions expand rapidly and infinitely in the subconscious.
Do what you like, listen to music, go out and look at the sky outside. People always like to think too many things, even if there is nothing, they will come up with a lot of things themselves, so keep yourself busy and don't think too much. Happiness is a day, so is unhappiness. Why not live happily every day? Don't continue to think about things in a bad mood, exercise your body and let some key joints and muscles of your body get exercise.
It is very hard, because some things in this society are just so unsatisfactory, but we must maintain an optimistic attitude and a normal heart. Just remember, if you don't give up this second, maybe there will be a miracle next second.