Actor Lee Jong Suk revealed that he still uses formal language to actress Park Bo Young, who is 1 year younger than him.

In KBS2 "I Love Movies" aired today, the main characters of the movie "Blood Boiling Youth" Lee Jong Suk and Park Bo Young were interviewed.

Lee Jong Suk, who had been working mainly with older actresses until now, revealed that he still uses the formal language in Korean to Park Bo Young.

He said, "Actually, I still speak in formal language" and Park Bo Young also said, "He won't change it." The reporter then said, "It's because he's a casanova" because that's the role of Lee Jong Suk in the movie, arousing laughter.

The movie "Blood Boiling Youth" will be released on January 23.

Photo Credit: KBS2