“My daughter suffered from depression. She had congenital heart disease since childhood. She is only 16 years old. Her mother died when she was very young, and I was busy making money and didn’t have time to take care of her. That is why she was very introverted and wouldn’t tell me anything. Just a year ago, she secretly fell in love with the male classmate in her class, but she was dumped by the male classmate in less than a month.

After that, she was even less talkative and locked herself in the room all day. As time went on, she became more introverted. At that time, I didn’t...