Sending a love letter to your boyfriend is a beautiful way of expressing emotions that even sometimes cannot be expressed face-to-face. For instance, a heartfelt letter can reignite the spark in ...

You’re not going to like what I have to say. But I will say it with as much love and care as possible. Let your boyfriend take these trips without having to text you that he’ll be unavailable ...

The Post had a sneak peek at some of the over 500 letters dropped into 13 different mailboxes in Brooklyn and Manhattan from Jan. 23 to Jan. 30.