This drawing took 60 hours in total. The line drawing stage alone took 19 hours. I used an F pencil to do the line, which I rubbed out as I went along putting the colour in. I am showing it to you as you might find it interesting. It is NOT so you can copy it. I drew it freehand - its the only way forward. Trust me, I know these things.
Drawing is very good for your health. If you use a daylight bulb all the time (day as well as night) it will stop you straining your eyes (personally, my eyes are supersonic, and I'm sure the drawing has helped). And when you get really engrossed in what you're doing, you can't think of anything else. So when all else fails: