[mmmpop]

Limits are taught in a way that gives the learner a taste of higher math, but when I took university calculus at 18 I wasn't really enthused about the "beauty". 15 years later I finally get it and am working my way into some coursework that will require upward of real analysis, but I wonder what changed in my brain to care all of a sudden? How can I have been inspired earlier in my life/career?

[javajosh]

This has happened to me several times over the years, where some topic only half-understood in college suddenly becomes clear. It feels as if some part of my mind was slowly chewing on it all this time, and finally finished its work.