C1475 How could he treat the old lady like this?

How could he do this to the old lady?

The old lady's eyes were blurry, her ears were not so good. She looked at Li Chengxin with her muddy eyes, trembled as she pulled Li Chengxin's hand, and muttered: "Who are you?"

Li Chengxin was startled, the old lady seemed to not even know him now? How could this be? When he came back for the new year, the old lady could still clearly distinguish him