it's worth reading the whole thing, but i'll take you to the end...
"Because the fundamental fact about all of us is that we’re alive for a while but will die before long. This fact is the real root cause of all our anger and pain and despair. And you can either run from this fact or, by way of love, you can embrace it.
When you stay in your room and rage or sneer or shrug your shoulders, as I did for many years, the world and its problems are impossibly daunting. But when you go out and put yourself in real relation to real people, or even just real animals, there’s a very real danger that you might love some of them.
And who knows what might happen to you then?"