Seriously, I copy/paste code all the time. If I'm writing a complex newsfeed algo and I need to write a sorting function. 9 times out of 10 the sorting function

Seriously, I copy/paste code all the time. If I'm writing a complex newsfeed algo and I need to write a sorting function. 9 times out of 10 the sorting function I need is easily googleable for my language. As much as I love to code, why would I waste my time writing it again? Yes, I wrote it in college, I loved it very much. But I won't deviate my focus from my newsfeed that I'm building. It's not much different from using a library. Understanding is fun, but reinventing a wheel can be a serious violation of prioritization. Put in other words -- you must choose your battles.