"I Miss You" delves into the raw feelings of vulnerability and heartache within love, exploring the fear of emotional loss and unreciprocated affection. The band, known for blending catchy pop melodies with fast-paced punk rock, took a stylistic departure with this song, building it around acoustic instruments like stand-up bass, cello, piano, and a brushstroked drum loop. This moody, groove-driven arrangement was inspired by the Cure, a band Blink-182 admired. The song was developed with guitarist Tom DeLonge and bassist Mark Hoppus writing lyrics separately based on the theme before combining their contributions. Playing this song means channeling that deep, almost gothic sense of longing and emotional exposure.