A college student in Chengdu disappeared on campus on the eve of his birthday. What unusual behavior did he have before he disappeared?

A college student in Chengdu disappeared on campus on the eve of his birthday. The only unusual behavior before his disappearance was a conversation on QQ. What he said is like this. He has no pressure, no effort, no ambition and no pursuit. The only thing left is desire. For three years, I couldn't find the meaning of life. Now I can only say sorry to you and say sorry to my parents. I hope everyone can be happy in the future, and I hope my parents can be healthy. It is this kind of speech that makes people feel abnormal. When his classmates saw what he said, they called him immediately.

But it was not him who answered the phone, but a stranger. The stranger said that he found his mobile phone under the bridge. When his classmates learned of this situation, they were very worried about his safety, so they immediately informed the school about it, and then the school informed his parents. His parents rushed to school as soon as they got the news, but they couldn't find their children. After this statement, the college student completely lost contact. At present,

Many people suspect that he may have committed suicide, but his parents and classmates can't believe it. His parents say their children are very cheerful. After they go to college, they often keep in touch with their families. Basically, they talk to their families by video every two days and tell them everything that happened at school. His classmates also said that he was cheerful and would share interesting things with them. They usually communicate a lot and play games together. His parents also said that no matter whether the child is still in this world or not, they all hope to find him and hope that everyone can help them find the child as soon as possible. If you have any valid clues, please contact them immediately.