Perhaps we all give the best of our hearts uncritically -- to those who hardly think about us in return.

Ther days may come,/Ther days may go,/But still the light of Mem'ry weaves/Those gentle dreams/Of long ago

'The best thing for being sad,' replied Merlin, beginning to puff and blow, 'is to learn something. That's the only thing that never fails. You may grow old an…

I would recommend a solo flight to all prospective suicides. It tends to make clear the issue of whether one enjoys being alive or not.