Many years later, when she thought of him again, the most profound memory was of that young boy who was ignorant of the world, on a bumpy bus, with his head resting on her shoulder, his slender white fingers covering his eyes to block the strong light coming in from the car window, and the same happy smile as ever at the corner of his mouth.
He said: "Sister, my birthday is 53 days away, and there are 53 days left until your birthday!"
At that time, she just felt that he was a really attentive and considerate child, and when she thought of him, she would always feel a little warmth in her heart.
However, after he said it for the sixth time, she never heard it again.
She also discovered that no other person had said that since then.
Time flies and things in the world change. It seems that the young man who has been calling her sister sweetly in front of and behind everyone can no longer hold his hand...