Why do smart people use marijuana?
I have a very very smart friend. He is incredibly adept at his job; saving his company millions of dollars every year, flying around the world and saving closely associated suppliers millions, and playing the office politics game with aplomb. He is curious about everything, he is a tinkerer, he is a creator, and he clearly has a wicked case of ADHD. He self-regulates by using Marijuana. Every day. Three to four times per day. This is how he keeps from flying apart into a million pieces in a million directions, and how he functions at such a high level (pun intended). Obviously, he is an outside-the-box thinker. Can we blame the marijuana for that? The world may never know.

Here is a rap genius, widely regarded as one of the best, discussing the reasons he uses marijuana, maybe you can glean some inspiration from him;