IU explained why she said Changmin is the 2AM member she'd get most tired of dating.

On the November 4th episode of IU's YouTube series 'IU's Palette', 2AM featured as guests to promote their first album in 7 years, 'Ballad 21 F/W'. IU talked about her memories with the 2AM members, saying, "We did a lot together."

She continued, "Jo Kwon and I were 'Inkigayo' co-hosts for more than a year and ate together every Sunday. My collaboration song with Seulong 'Nagging' is also very famous."

As for why IU said Changmin would be the 2AM member she would get tired of dating the most, she explained, "I said that he's fun, but he talks a lot. It's not that he makes me tired because he talks too much. He says what's necessary in the right place." Changmin then joked, "You have to bring up something I don't even remember and hurt me."

IU responded, "I think Changmin oppa will be the most fun person to date," making everyone laugh.