She would just leave those 'younger brothers' in university to her seniors or juniors. She had no interest in them at all.
"How about Da Bao and Er Bao?" Males were always more impulsive than females. Da Bao and Er Bao had always been in good health. Now that they were in university, they would probably experience great sexual impulses, right? "I'm sure the three of you know when your dad and I got together. When I was your age, I already had the three of you. Do you think Da Bao and Er Bao will make me a grandma only when I'm forty?"
If she really became a grandma in her forties, in another twenty years, there would be children calling her great-grandma before she turned seventy!