For me, it was my first semester of university. I was infatuated with a woman who was a Computer Science student. I was an Electrical Engineering student. CS st

For me, it was my first semester of university. I was infatuated with a woman who was a Computer Science student. I was an Electrical Engineering student. CS students had to take Pascal. Engineers had to take FORTRAN (with punch cards). In order to try to impress her, I had to learn Pascal while also trying to learn FORTRAN. She changed majors the next semester. TL;DR - when I taught someone and did all her homework as well.