Lim Seul Ong and Joy's song "Always In My Heart (이별을 배웠어)" is a heartfelt ballad about a past love and the realization of the importance of that love. The lyrics express gratitude for meeting each other and the happiness that the relationship brought. The song starts with the singers expressing their gratitude for meeting each other and how the person they met always made them smile. They confess that they loved each other and are thankful for the love they shared. As the song progresses, they acknowledge the hardships they went through and the moments when they may have become distant or changed. But despite everything, they can't help but still feel emotional and shed tears when they see each other. They have learned what love is and have learned how to say goodbye. The chorus repeats the sentiment of gratitude and love, declaring that the person will always be in their heart. They express that even though time has passed, they still think of each other and hope for each other's happiness. Towards the end of the song, they admit that they know the relationship was difficult but express their fear of letting go and saying their final goodbye. However, they decide to close that chapter of their lives with a smile, closing their eyes and bidding farewell. The song concludes with the repetition of the chorus, emphasizing that the person will always hold a special place in their heart, despite the breakup. The lyrics convey a bittersweet sense of acceptance and appreciation for the past love. In summary, "Always In My Heart" is a song that reflects on a past relationship, expressing gratitude for the love shared while acknowledging the difficulties and the realization of letting go. It conveys a mix of emotions including love, gratitude, longing, and acceptance.