Context: 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 ?
Option 0: Because the smile was genuine .
Option 1: Because Hankyung 's eyes were swollen .
Option 2: Because the smile was insincere .
Option 3: Because Hankyung 's eyes were closed .
Answer: 2