Although most K-pop idols prefer to be more discreet regarding their previous relationships, several celebrities have opted for more transparency. Here's a compilation of a few K-pop stars who have spoken about their past failed relationships. (via Koreaboo)

BTS RM

RM chose to share the details of why his relationship ended with his previous girlfriend in an episode of 'Problematic Men.' He admitted while speaking about their relationship that there have been several aspects that they failed to match on as a couple.

He also mentioned that his girlfriend at the time had lots of guy friends. Although RM now does not see this as a concern, his younger self was bothered. His partner also committed other acts that he found inappropriate. Because of their distinct personalities, the two have had a lot of disagreements. It had reached the point where RM was no longer honest about his thoughts and emotions, so they agreed to split up.

JEON SOMI

In the old days, Somi admitted she had a partner, but their affair lasted for a whole week. Somi revealed they had broken up because her boyfriend wasn't incredibly pleased with her. "I've dated in the past. After one week of dating, he decided to break up with me because I did not meet his standards."

AILEE

On an episode of Video Star, Ailee revealed the sad story of her ex-boyfriend. She mentioned that she went to her boyfriend's birthday celebration to surprise him. When Ailee entered the gathering, everyone began to disperse and look surprised.

It was when that Ailee discovered her partner was cheating on her. Ailee was so shocked she had no idea how to respond. Except while her boyfriend was struggling to convey the scenario, it was too late. She cried on her way home.

HENRY LAU

Henry decided to share his first heartwrenching love story in the past. He had a partner once that he had pursued for seven years before they eventually parted ways. The main factor they broke up, though, is devastating. The couple ended up things when he found out that his girlfriend was cheating on him with his best friend.