You are an adult, so cheer up if you are not happy, and don't let people who care about you worry.
3. From today on, be a difficult person, throw your face to the person you hate, and tell the person you like openly. I'd rather live a few years less, just want to live happily.
The sign of a person's maturity is to learn to be cruel, to be independent, to smile and to discard unworthy feelings.
5. Be lenient with others, and you won't be disappointed all the time; Be strict with yourself and you won't be depressed all the time.
6. When I was a child, I didn't understand why old people liked to bask in the sun. As soon as they sat down, they stayed for half a day Later, I learned that my eyes were full of memories, my thoughts were full of the past, and my eyes were full of regrets.