I understand you're looking for help with managing your messages on PositiveSingles.com. For specific technical questions about the platform's features, including how to delete DM streams, I recommend reaching out directly to PositiveSingles.com's customer support team. They are best equipped to provide you with accurate, step-by-step guidance on managing your account and messages. Their support team can help ensure you're able to properly delete (not just hide) your DM stream and address any other platform-specific concerns you may have.