Physics is hard. I was an A student in high school (mostly, 'cept for my senior party year). I breezed through physics, and made it to the regional finals of the Bank of America Achievement Award for Math and Science. I entered the university as a physics major.

Then I started partying and didn't study. Seemed like all the same subjects I studied in high school, so it shouldn't be a big deal.

I failed physics 1A. The level in college was a million parsecs away from high school.

So I majored in economics instead. Much easier.