1. Complete the pre-task "Goodbye, Old Times", otherwise the task cannot be triggered.
2. When talking with Frank, don't mention any words related to "leaving", otherwise it will arouse his disgust.
3. When talking to Frank, try to express your concern for Lisa and the people who care about her, so that Frank can feel your concern.
4. When talking with Frank, try to think from his point of view and let him feel your understanding and support.
5. When talking with Frank, I expressed my desire to "go back in time" and expressed my willingness to make efforts for it.
6. When talking with Frank, show hope and confidence in the future, and let him feel your support and encouragement.
After meeting the above conditions, Frank will agree to cooperate with you and help you complete the follow-up tasks.