As one of the commenters rightly says, this story will break and heal your heart, all at the same time.
Theodore Sturgeon's classic short story, "A Saucer of Loneliness"
http://fasterthanfashion.blogspot.com/2006/06/saucer-of-loneliness.html (http://fasterthanfashion.blogspot.com/2006/06/saucer-of-loneliness.html)
A mildly interesting tale, but I'm afraid it left me emotionally unaffected. Perhaps because I generally find suicides unsympathetic, or perhaps because I'm largely at peace with my own loneliness.
Yes, I remember reading this in my turbulent teenage years. I wrote the message in front of my note books along with Frodo's speech to Sam at the end of LoTR as help to get through the day.