As far as I'm concerned, it was always hard. I took 2 theory classes (undergrad and grad) in the early 90s. I dreaded the proofs, and I hated the classes, and

As far as I'm concerned, it was always hard. I took 2 theory classes (undergrad and grad) in the early 90s. I dreaded the proofs, and I hated the classes, and could barely stay awake for them. I'd much rather stay up all night coding a project for another class than do one proof for a theory class. Ugh.