1, Recently Li hua, who is always lively and cheerful, feels upset, because his father fell ill.
2, He is often absent-minded in class and ignore classmates' care of him.
3, Teachers are concerned about him and have a face-to-face communication with him, encouraging him to be brave and telling him that independence can be only achieved by going through difficulties.
4, under teachers' encouragement, Li hua feels that any problem can be settled.
5, His father recovered some time later and Li hua becomes a grateful teenager again who appreciates difficulties in his life.