The song "Setengah Gila" by Ungu expresses the feeling of being half-crazy and obsessed with someone. The lyrics portray a person who is deeply infatuated with someone to the point where it affects their sanity. The song talks about how the person is constantly thinking about this person and unknowingly, their feelings for them grow deeper and more intense. The absence of this person makes everything feel empty and the singer feels lost when they leave. The chorus repeats the idea that this person is causing the singer to feel shattered and broken into pieces, like dust blown away by the wind. The intense love from this person is described as being capable of killing the singer. Their love is so strong that it makes them feel half-crazy. Overall, the song portrays the theme of unrequited love and the impact it can have on one's emotional state. It shows the depth of love and the pain that comes with it, where the person is so consumed by their feelings that they feel lost and broken without the other person.