AOA's ChoA opened up about her biggest worry on the January 7th episode of JTBC's 'Sing for You'.

SEE ALSO: Lee Mi Joo's label confirms she's dating soccer player Song Bum Keun

Moon Hee Jun and his guests discussed songs that give middle-aged listeners strength, mentioning tracks like H.O.T's "Light", Honga Project's "Gain Strength Song", and S.E.S' "Running", and even added a few songs for young people.

The H.O.T member commented, "I think a lot of young people have worries these days. ChoA doesn't look like she's worried about anything though." ChoA then replied, "That's not true. I have a ton of worries," explaining simply, "To work for a living."