In an interview at the Cube Cafe, Hyunseung talked about his fellow B2ST members and dirty jokes.  

He first talked about the cursing in the lyrics for "I Said I Love You," revealing, "After recording it, I wasn't sure if I should include [the cursing] or take it out.  I watched the movie 'Beastie Boys' and wanted to put in a tragic love story.  I wanted to write the saddest and most tragic love story in the world and thought, 'This is it,' when I saw 'Beastie Boys.'  The cursing that comes at the end [of the song] is also a line from a scene in the movie."

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He was asked, "The album title is 'MY,' so are there, as one would expect, your personal stories in the lyrics?"  Hyunseung replied, "There's nothing at all in 'I Said I Love You,' but 'Dirty Jokes' could be my story.  But 'Dirty Jokes' has lyrics that can be imagined and expressed humorously by anybody, so I don't personally think, 'This is my story.'  I engaged myself in the song by also imagining and creating things that didn't happen."

He then revealed, "I'm not the type to enjoy dirty jokes.  However, I do like listening to them.  I like it when I have friends who can tell dirty jokes in a fun way."  As a result, Hyunseung was asked, "Who tells dirty jokes the best among B2ST members?"  He replied, "I think they're all equally good.  If the members were with me here right now, I would say who it was, but since they're not here, I feel uncertain about saying anything.  I think they're all on a similar level."