AI sex dolls influence social dynamics in multifaceted ways, shaping intimacy, loneliness, and relationship norms. On one hand, they may offer companionship for individuals who struggle with social interaction, serve therapeutic roles, or provide a private space for exploring preferences without risk to others. On the other hand, widespread use can affect perceptions of human intimacy, potentially reducing motivation for developing real-world connections or altering expectations about consent and reciprocity. Ethical deployment emphasizes consent, dignity, and avoidance of exploitation—ensuring that interactions do not normalize coercive or disrespectful behavior. Communities may debate allocation of resources, impacts on mental health, and the risk of reinforcing gender stereotypes if designs overemphasize caricatured roles. Education about healthy relationships—emphasizing communication, empathy, and mutual consent—remains essential. The societal footprint will hinge on responsible innovation, transparent policy settings, and ongoing dialogue among designers, users, regulators, and scholars.