[tostitos1979]

Two thoughts:

1) Read "The Conquest of Happiness" by Bertrand Russell. It really helped me.

2) If you have the gift of building stuff, a good purpose of life is to build bridges. I don't mean to connect people together. Think of a tribe on an island. The island has another island beside it. People might be able to get from their home island to another, but it is a pain. When someone (maybe me, maybe you) builds a bridge to the other land, all of society gains a little bit. If the bridge is solid, maybe it will last for generations. People will go about their business but their lives will be somewhat improved by the bridge. This is one of the reasons I like to write software. My attitude has caused me some problems in my career. I'm a scientist and I should not be writing software most of the time. But whatever, that's what gives my life meaning.