The song "Unkind" by Kacy Hill is about the uncertainty of relationships and how time can change people's feelings towards each other. The lyrics express a hope that the love between two people will remain the same even years down the road, and a fear that the other person may become unkind. The song also touches on the regret of not taking the time to get to know someone sooner, and the willingness to let go if the love is no longer reciprocated. Despite the potential for heartbreak, the singer remains delicate and kind towards the person they love. Overall, "Unkind" is a poignant and introspective ballad about the fragility of love and the importance of cherishing it while it lasts.