While their classic 1967 duet "" is a seductive ballad about an intoxicating encounter, Sinatra has clarified that their real-life relationship was always platonic, despite a palpable "sexual tension" or "love/hate" chemistry. The "Heartbreak" of 1970
: Sinatra described herself as "betrayed" and "heartbroken" because Hazlewood disappeared without saying goodbye after years of successful collaboration.
The emotional rift between the duo occurred in 1970 when Hazlewood abruptly moved to Sweden without informing Sinatra.
: His sudden departure left Sinatra to "pick up the pieces" and navigate the end of her contract with Reprise Records alone.
The "heartbreak" referred to in recent reports and retrospectives regarding and Lee Hazlewood primarily describes a professional and personal betrayal rather than a romantic breakup.