Start with the part that is verifiable
Separate the event you can describe from the motive or reaction you are guessing. For a message about how to collect furniture from a former roommate, use this factual base: list the specific item, ownership, condition, current location, and any real deadline.
Make one answerable request
Give the recipient one concrete question or next step instead of several emotional jobs at once. Offer a neutral handoff, tracked delivery, or authorized third party and confirm when the matter is closed. Make the immediate next step clear enough that the recipient can answer without reconstructing the entire history.
Leave the recipient in control
Do not enter property, withhold unrelated items, attach emotional conditions, or arrive without agreement. Use a public place, third party, workplace process, or legal support when ownership or personal safety is disputed. A clear message remains useful even when the answer is no or no answer arrives.