That’s how powerful thank you messages are. Why not reach out to those old friends? Expressing appreciation can be a ...

Having you as my friend is one of the best things that could ever happen to me. Thank you for accepting me just as I am. You're genuinely one of the best friends I've ever had, and only you would ...

But rather than feeling happy and appreciated for receiving a thank-you note, several friends to whom I’ve sent them say they feel guilty for not doing a better job of sending thank-you notes ...