“What if birthdays were a time of sharing the impact the person has had on you, or noticing changes in them they might not be aware of themselves.”
“So since it's my birthday, please answer one of these prompts: “What's your favorite memory of me?” “What an impact I've had on you that you haven't shared with me?” “What's the biggest change you've seen in me since you first met me (or in the last year)?””