Before I started working, I used to feel like I depended on documentation and the internet a little too much owing to ultra crappy long term memory. After spending some time at my internship going through code written by "professional developers" several years senior to me and trying to write unit tests for it (surprise: the code was in production without having underwent any sort of testing), I feel like the amount of time I spend online reading usage recommendations, alternates for optimisation, best practices for writing clean and descriptive code and all that is a lot more rewarding. Some bad things help you feel good about yourself.