The song opens with SZA's candid expression of frustration, stating, "I be so sick of you niggas, y'all contradictin'..." This line sets the tone for the entire track, highlighting her annoyance with her partner's inconsistent behavior. The use of the word "sick" conveys a deep sense of weariness, suggesting that the relationship has become a source of emotional exhaustion for her. As the song progresses, SZA reflects on the emotional turmoil that comes with loving someone who causes her pain. The chorus, which bluntly states, "And if you wondered if I hate you (I do)," serves as a powerful declaration of her feelings. This line encapsulates the conflict she feels—while she may still have lingering affection, the hurt inflicted by her partner overshadows any positive emotions. The repetition of the phrase emphasizes the intensity of her feelings, making it clear that this is not just a fleeting emotion but a deep-seated frustration. Throughout the verses, SZA oscillates between moments of anger and vulnerability. She reminisces about the good times, which only amplifies her current feelings of disappointment. The lyrics convey a sense of longing for a different reality, where the relationship is not fraught with contradictions and pain. This duality of emotions—love intertwined with hate—creates a relatable narrative for anyone who has experienced a tumultuous relationship. The song's production complements the lyrical content, with a moody and atmospheric sound that enhances the feelings of sadness and frustration. SZA's vocal delivery is raw and emotive, further driving home the message of the song. The combination of her powerful lyrics and haunting melodies makes "I Hate U" a poignant exploration of the complexities of love and heartbreak.

Released in 2021, "I Hate U" emerged during a time when social media played a significant role in how music was shared and consumed. SZA's candid approach to discussing emotional struggles resonated with a generation that values authenticity and vulnerability in art. The song's themes of heartbreak and frustration are universal, making it relatable to many listeners navigating their own complex relationships. The popularity of the song on platforms like SoundCloud and Twitter reflects the changing landscape of music distribution and the power of social media in shaping an artist's reach and impact.