Now that I am older, married and in a career, I find myself annoyed with the same causes I used to feel strongly about.
I think if you were to survey a group of people when they were 16 and again when they were 30, you would see that the majority of them become more conservative.
The simple fact is you realize that the world is an unfair place, you can't achieve world peace, there will always be world hunger and disease will continue to plague the globe.
And before you call me a pessimist, consider me a realist.