Back to the 1970s: F

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,"Lying on the bed, Husisisi mumbled, then continued, "Grandma, tell me about my great-grandmother this time.",Thinking this way, I slowly closed my eyes and gradually drifted off to sleep.。