An expert shares what to write in a thank you card for graduation, birthday, funeral and gift-giving occasions. ... We are so happy you could share this special day with us.

Thank you for letting me be part of your special day—happy birthday! 17. To the one who gives her all every single day: You inspire me to do my best and live life to the fullest.

One card simply stated: “Thank You for Being My Person.” Advertisement According to the Greeting Card Assn., Americans purchase around 6.5 billion cards each year.