Yona.ai provides a platform to create AI companions using past conversational data. Users can securely upload messages from platforms like Messenger or Instagram, which are then processed to construct an AI personality. This ensures that the AI companion reflects individual user experiences and preferences, potentially echoing the unique quirks of a past love or the warmth of a current relationship. The platform emphasizes private, secure, heart-to-heart discussions, keeping intimate conversations private. This can be used for nostalgic reminiscing or resolving past relationships through therapeutic dialogue, comforting dialogues that offer closure without reopening old wounds, or exploring fantasy scenarios. By making the AI companion creation process user-friendly, Yona.ai opens an avenue for users to experience profound 'what-if' AI conversations.