Complex sentence: On penning the lyrics for Only U ", Seohyun expressed" The lyrics are about the sincerity of love... that you fall in love many times, but there's always going to be that special someone you won't forget.
Split into simpler sentences: On penning the lyrics for Only U ", Seohyun expressed" The lyrics are about the sincerity of love, about a true love. That you fall in love many times, but there's always going to be that special someone you won't forget.