I was as happy doing theater in New York for little or no money as I am now doing television for more money. The happiness I guess comes out of it being a good job. The success has to do with the fact that it's a good job that will continue.
Most fears are basic: fear of the dark fear of going down in the basement fear of weird sounds fear that somebody is waiting for you in your closet. Those kinds of things stay with you no matter what age.