In the emotional trough, which aspects should be changed first?

In the emotional trough, there are probably five aspects that need to be changed. First: adjust your mood, adjust your mentality, and don't pull a long face every day. Second: divert your attention and go out to travel, shop and work. Anyway, you can fill up your time and enrich yourself, so you won't be paranoid. Third: pay attention to diet, don't skip meals, have three meals a day regularly, and pay attention to nutrition. Fourth: Make more friends, attend more friends' parties and socialize with them, so that you won't feel lonely. Fifth: dress yourself up, dress yourself up beautifully and face life with a new look.