As the shift in content of this blog has made abundantly clear, for the last five years I’ve been doing a PhD. I’ve also been working full-time, so that research and study has basically taken up all of my spare time. I would wake up early, sit at my computer until it was time to start work, then change computer, then at the end of the work day switch back to the university-issued computer. I knew this was having an adverse impact on my health. Particularly, I could feel that I had far les...