The debate over whether sex dolls serve as substitutes or supplements in relationships is ongoing and nuanced. Traditionally, many viewed sex dolls as a replacement for human intimacy, but contemporary perspectives highlight their role as supplementary tools. For many users, sex dolls provide a safe space to explore fantasies, practice intimacy, or fulfill sexual needs without risking emotional complications. In this context, they can complement a relationship by addressing specific desires that might be difficult to discuss openly with a partner. Conversely, some individuals may rely heavily on sex dolls, leading to concerns about emotional intimacy deficits or social withdrawal. However, most experts suggest that sex dolls are best viewed as supplements rather than substitutes. They can enhance intimacy by reducing stress, helping users understand their preferences, and increasing overall sexual satisfaction. When integrated responsibly, sex dolls can even improve relationship dynamics by alleviating pressure or unmet needs, allowing partners to focus on emotional connection and communication. Clear boundaries and open communication are essential to ensure that sex dolls remain a healthy addition rather than a replacement that diminishes human connection. Ultimately, their place in relationships depends on individual needs and how they are used within a balanced and respectful framework.