The 500th episode special of KBS's 'Happy Together 3' aired on May 25 welcomed actor Jo In Sung as a guest! The actor called up good friend Lee Kwang Soo during the phone calls segment. 

Upon receiving the call, Lee Kwang Soo boasted how he was receiving much fame and recognition in Malaysia. Later, Jo In Sung commented about his friend, "He probably started drinking from nine in the morning... He's someone who video chats after drinking. He is a lonely friend; he needs someone to look after him."

Aww, sounds like Jo In Sung knows Lee Kwang Soo well!

SEE ALSO: Lee Kwang Soo returns to SBS entertainment program for the first time in two years