You 80 hours a week guys, what the hell are you doing with your time? Is 'disrupting' an industry really that important to you?
I'm 26, single, and have no pets. I have a family and friends, but I'm very transparent about my work habits and priorities as a full-stack engineer.
Being so young, I see myself as training to be the person I want to be in the future. The best programmers in the world worked at it relentlessly. Sure, there are variances in the amount that they all worked, and some did it with much less work than others. But if I want to be the best in the world, or at least attain my personal upper bound, I have to work hard at it and I have to work consistently at it.
John Resig didn't wake up one day and write jQuery. Steve Wozniak didn't just throw together the Apple I. Linus didn't just decide to write the Linux kernel one afternoon. They all put to work the investments they made in themselves.
I don't do it because I want money, success, or fame. I do it because I deeply want to make a meaningful impact on the world. I want it so bad that when I think about it my palms sweat and my chest gets heavy. When you look at the future of humanity as a whole, we need to either improve or die. And to improve, we need improvers. I want to be an improver and I don't want to rest until I am.
To be clear, I love what I do and I don't really consider it work. Solving hard problems with creative techniques is one of my favorite things to do. I really enjoy learning new things, and being able to pull them into my work is really satisfying. Being able to build something that I imagine, push it out to people, and see them get excited about it is surreal. I don't want to be doing anything else. I don't want to stop working.
But I understand the research. I understand that the work I put in will be more productive and beneficial to me if I have a balance in all areas of my life--which means that I need to be social, have hobbies, and live a healthy lifestyle.
One day I want to write those books, not just read them, and I want those books to meaningfully impact the world. So I train, and that means I'm an 80 hours a week guy.