Sungmin: I have a question...
Ryeowook: What is it?
Sungmin: If someone is born on February 29th do they have 1 birthday every 4 years?
Ryeowook: So If they lived 40 years they're still 10.
Sungmin: Is it like that?
Ryeowook: Of course it's like that.
Sungmin: Something's wrong here...