You're not alone. I was lucky enough to go to undergrad with Nima Arkani-Hamed [1]. I later had lunch with him while he was at Harvard, and he mentioned that

You're not alone. I was lucky enough to go to undergrad with Nima Arkani-Hamed [1]. I later had lunch with him while he was at Harvard, and he mentioned that a lot of what he did in the intervening years was to get away from the very formal mathematical, proof-based thinking of our math courses back then. [1] https://en.wikipedia.org/wiki/Nima_Arkani-Hamed https://en.wikipedia.org/wiki/Nima_Arkani-Hamed