No one else can " Heechul added , and then mentally hit himself for actually making things worse . Hankyung 's lips lifted into a small smile which failed to reach his eyes . Heechul had never seen this side of him before .

Question: Why did the smile fail to reach Hankyung 's eyes ?
Answer: Because the smile was genuine .Because Hankyung 's eyes were swollen .Because the smile was insincere .Because Hankyung 's eyes were closed .