The Bible. Harold Bloom's "Western Canon", Knausgaard's "Min Kamp", "The World According to Garp", Robertson Davies Deptford Triology, "Anna Karenina", "Consilience of Knowledge", "House of Leaves" "The Apprenticeship of Duddy Kravitz" All these books messed me up to varying degrees.
note that it is also good to stop drugs that reduce intelligence before you try nootropics, i.e. no benzodiazepines, no chronic pot use, easy on the alcohol, etc. People who are tempted to try nootropics often believe in "better living through chemistry" and are already taking a lot of different things.
In my life, I swap exercise and nutrition in terms of importance — at least anecdotally for me dietary intake is where I've seen the rubber meet the road; especially in the context of cognitive function. Though thats with a bias towards nutritional ketosis.
I've yet to experiment seriously with nootropics, but from what I know about it on the periphery, it seems to be a promising industry. Though Modafinil terrifies me.
I think it is energy? I live in Canada and our middle class has the highest income in the world but we also use the most energy per capita. That's the simplest, other than entropy, life is about reducing entropy, richer people spend more money on insurance. Civilization tries to reduce surprises for its citizens.
I've got a safaribooks online account, and found "Real World Functional Programming with examples in F# and C#" the most useful of the f# books I've read. The author has a blog, http://tomasp.net/ But I got something out of all of the books.
Vim can already do horizontal and vertical splits. If you use tmux and fire up multiple instances of Vim, you'll lose some good things like ctrl+n autocompletion of words in other files.