As an accounting student, I learned about self-employment tax in my individual tax class in school. I knew, when I graduated, that if you do not have an employer paying.
I'm not nostalgic and I don't really regret a lot of decisions I've made. I'm a big believer that everything happens for a reason when it comes to the spiritual.
"Paper money," is at its root, a strange and uniquely human concept, a shared agreement that items that have little worth can stand in as representatives for items that do.