Until I was a junior in high school, I was a "boy scientist" type and expected to go into chemistry. Then I discovered the humanities. I read the plays of Shakespeare voraciously, some novels, such as Pasternack's Dr. Zhivago and Sinclair Lewis' Main Street, and I got into philosophy by reading Kierkegaard and Nietzsche.
Treat each federal dollar as if it was hard earned; it was - by a taxpayer.