Apparently, HyunA classifies all men through their blood types!
Koreans usually have a lot of fun with blood type personalities, but it seems HyunA takes it a lot more seriously than other people!
The 4minute girls were guests on KBS 2TV's 'Guerilla Date' segment and talked about dating, reports All Kpop.
The members revealed, "HyunA classifies all men through their blood types. She even says she's going to write a book on blood types later."