How to save a loveless, lonely, cold girl without temperature ... ask a friend in psychology.

It's simple. You helped her. She has a family like you, and it will be different in the future. Since she is willing to tell you about herself, it shows that she still believes in truth, goodness and beauty, so you should listen patiently and guide correctly. Give her some positive strength and let her have more hobbies. Tell her a truth, she only came to this world through her parents, but her fate is in her own hands. She has a family like you, and it will be different in the future.