Try this
- Keep the message focused on the contact or gesture rather than repeating the full private history.
- State whether similar acknowledgment would be welcome next time, especially if the date has mixed significance.
A worked example
“Thank you for sending a quiet note today. I didn’t want a public post, and the message suited me.”
An invented example to adapt, not a real exchange or a script you have to follow.
Before you leave it here
Do not assume next year’s preference will be identical. A remembered date can be meaningful without requiring an annual ritual.