Board Thread:Theories and Speculation/@comment-26940724-20160318215832/@comment-9782468-20160331044238

@Jay, it wasn't a mental block, he wanted to be like his dad. It's not a negative emotion to strive to be like your parent, especially since Sakumo seemed like a really good, caring parent.

But when his dad was disgraced, he strove to not make the mistakes his dad made, until he realized they weren't mistakes.

The Sharingan didn't give Kakashi any intelligence. Kakashi had the intelligence to use the Sharingan. The Sharingan gives you the ability to copy any technique up to the user's ability. It gives you more insight so you can see the inner workings of the technique, but if you don't know what to do with the insight, it's useless. Basically, even if you can see all the inner workings of a piece of technology, it doesn't help if you don't know what you're looking at.

Kakashi became a Jounin at the same time Naruto, Sasuke, and Sakura were taking the Chuunin exams, and they all failed.

His intelligence didn't stem from the Sharingan. His repertoire did.