On February 12, an online streaming service TVING uploaded a behind-the-scenes footage of their new show 'Seoul Check-in'.
Here, another BoA, singers Lee Hyo-ri, Uhm Jung Hwa and Kim Wan Sun were seen talking to each other.

Lee Hyo-ri said, "I can still vividly remember your 11-minute performance at 'Mnet Asian Music Awards' in 2005, BoA. It was amazing."
BoA laughingly commented, "Ah yes, I pretty much fainted after that performance. I could never do it again. I could only do it because I was 20 at that time."
She continued, "I actually started dancing properly again a short while ago, and I was like, 'Wow, why is this so hard? When did dancing become this tiring?'"
She went on with a sad look on her face, "It's becoming harder to dance like I used to year by year."
Then, Kim Wan Sun responded, "Hey, I'm here.", and Uhm Jung Hwa also said, "Hey, I'm here, too."

Uhm Jung Hwa stated, "What? You're still young then! You are a baby!"
Lee Hyo-ri agreed with Uhm Jung Hwa, "Yeah, exactly. You are still young. You are the most beautiful at 36."

(Credit= 'TVING' YouTube)
(SBS Star)