Long ago, I dropped out of college (to join a startup.) I went back three years ago because I wanted to get a PhD in math. I'm about to start my second year i

Long ago, I dropped out of college (to join a startup.) I went back three years ago because I wanted to get a PhD in math. I'm about to start my second year in grad school. Honestly, I push myself past my confort zone every time I sit down to do research.