Jungkook's song "10,000 Hours" is about the intense love and dedication he has for someone. He asks various questions about the person to get to know them better and understand them on a deeper level. He expresses his willingness to spend a lifetime learning about the person and loving them. The title "10,000 Hours" refers to the concept that it takes approximately 10,000 hours of practice to master a skill, and in this case, Jungkook is willing to put in the time and effort to master the art of loving this person. Overall, the song showcases Jungkook's deep commitment and devotion to the object of his affection.