Opening Lines: On the art of correspondence

I found a letter the other day. From an era known as the time of the Great Cringe. An era spanning most of the 90s where a lot of my memories just make my face fold up inside itself in such a way that it can only be coaxed out with a tweezers and patience.
The letter was from a girl and it was along the lines of iheardyoushiftedsoandsoandthenshewasgoingaroundsayingsuchandsuchaboutmesodontbelievehershesnotmyfriend.