Scotch tape fetish
Back when I was working for my Ph.D., there was this post-doc in our lab who had this funny habit. He had this big roll of scotch tape by his computer screen. Every morning, as he sat down for work, he tore off a good length of that tape to bind his left-hand ring and pinky fingers together.
This, this, a thousand times this. I use 12pt Inconsolata on a big monitor to program. Think about your font/color scheme/desktop environment.
thousand times this....12pt Inconsolata...font/color...