One of the most striking features of "Romance X" is its exploration of themes related to love, intimacy, and relationships. The album's title itself suggests a disconnection or perhaps a complex view on romance. Through her lyrics, Björk navigates the intricacies of human emotions, often expressing vulnerability and introspection. Songs like "You've Been Flirting Again" and "It's Not Up to You" showcase Björk's ability to craft melodies that are both catchy and emotionally resonant, while her vocal delivery conveys a sense of longing and detachment.