Sixty-year-old Ning Ran sat under the wisteria in her small courtyard, her white hair as graceful as a crane. She lay leisurely on a reclining chair, drowsiness washing over her.,Suddenly, the sound of footsteps came up, and the grandson ran over, kneeling on the floor and asking, "Grandma, I'm back. Can you tell me a story",There are some doubts. It's not the weekend, nor a holiday. Both my son-in-law and son are very busy people. How could they have time to bring their grandson back to visit。