Make the first sentence usable
Lead with the reason for writing so the recipient does not have to decode a long emotional introduction. For a message about how to support someone with hearing loss, use this factual base: use the person's description, note the access barrier or practical need, and avoid guessing about severity.
Reduce the work of responding
Offer simple options, a narrow question, or a clear update that can be understood without another conversation. Ask which accommodation or form of help is useful and follow through without making it a favor. Make the immediate next step clear enough that the recipient can answer without reconstructing the entire history.
Respect the boundary already visible
Do not demand medical proof in a personal relationship, offer cures, or frame disability as inspiration. Use qualified clinical or emergency care for urgent health concerns and the proper rights process for denied accommodations. A block, explicit refusal, legal restriction, or safety plan takes priority over the desire to explain more.