Reading. I never used to open a book for more than 20 minutes but once I started reading books I actually enjoyed (Gladwell, Freakenomics, other books related to business, personal growth, human behavior etc) I realized what an amazing habit it is. You learn a lot, work your brain, give the eyes a break from a screen and you can take a good book/kindle anywhere. No power needed. Start reading books.
I didn't like reading books as well, Even now its seems like work, that something I have to actively do.
Then I started audio books few years back, I read (heard) more than 10 books that year alone, Now I'm just a consumer listening not actively reading. I enjoy books lot more.
Outliers, definitely the freakenomics books, I enjoyed Rich Dad Poor Dad, The Lean Startup, Power of Habit, Defining Decade (if your in your 20's, fantastic book), The Happiness Advantage, Great by Choice from Jim collins...
Thanks! From that list, I've read Outlier, The Lean Startup, and Power of Habit. Currently reading A Short History Of Nearly Everything, and I plan on following that with Zen and the Art of Motorcycle Maintenance. After that, I will probably jump on Defining Decade.
