Make room for the other version
Ask what the other person understood before assuming that you are arguing about the same facts. For a message about how to stop online speculation about your relationship, use this factual base: name the platform, content, frequency, audience, or account access that must change.
Correct the record precisely
Correct only what you can support, acknowledge any real impact, and propose a practical way to prevent repetition. State the requested removal or contact rule and use the platform control that supports it. Make the immediate next step clear enough that the recipient can answer without reconstructing the entire history.
Agree on a testable next step
Do not trade passwords, monitor accounts, or move to a new platform after someone declines contact. Report impersonation, intimate images, account compromise, threats, and doxxing through platform and specialist safety channels. Do not recruit an audience, publish private evidence, or turn a misunderstanding into a campaign about character.