"Mileage" (마일리지) is a song by Jung Yong Hwa, a South Korean singer-songwriter and the leader of the band CNBLUE. The song is included in his solo album "Do Disturb," released in 2017. The lyrics of "Mileage" talk about the daily struggles and sacrifices of someone who constantly works and provides for their partner and family. The protagonist describes their busy schedule and financial responsibilities, including paying rent, pension, loans, and other bills. They confess feeling tired and burdened by their responsibilities. Despite their exhaustion, the protagonist still wants to express their feelings to their loved one. They ask their partner to listen carefully, as they have something important to say. The lyrics mention using their "mileage," metaphorically referring to the effort they put into the relationship and their desire to build a strong bond with their partner. The song also touches on the theme of the protagonist's commitment and dedication to their loved one. They promise to continue building their relationship and expressing their love, starting from the next day. The lyrics emphasize the importance of staying together and making a promise to cherish each other. Overall, "Mileage" showcases the protagonist's determination to support and love their partner, despite the challenges they face. It is a heartfelt song that reflects the sacrifices and efforts people make in relationships.