Heechul reveals the story behind calling Son Dam Bi 'his woman'

On the October 17 installment ofMBC's 'Tutoring Different Generations,'Heechultalked about how he andSon Dam Bicalled each other "my man" and "my woman," an already well-known fact to fans.

Son Dam Bi said to Heechul's Chinese tutorZ.HERA, "Be a bit more tough on him."  Also on the show, the two called each other "my man" and "my woman," raising curiosity about their relationship.

Heechul explained, "They are simple endearments we call each other all the time when we do not have significant others.  If I called her on TV and said 'Dam Bi' [instead of 'my woman'], that means I have a girlfriend," making everyone laugh.

You can watch the segment at around the 2:50 mark above.