Lady Gaga wrote "You and I" about her relationship with Lüc Carl, who was her longtime boyfriend and a significant influence in her life. Their tumultuous romance inspired the song's themes of love, heartbreak, and longing. Lüc Carl, a musician and bartender, represented a pivotal chapter in Gaga's early career, and their connection deeply impacted her artistry. The lyrics reflect personal experiences and emotions tied to their relationship, making it a heartfelt tribute to their time together.