I've never done one of these before, and now I know why. These things are a nightmare to put together when I don't date my art. There's a lesson to be learned there.
So yeah, this ate up a lot of time. But I like how clear it is when I started taking art seriously and studying how to improve (2008 onwards). I know the trick to art is just practicing as much as possible, but it's satisfying to see just how much my work improves over the years.
For a while I was worried I'd never be able to surpass the sleek, coloured work I did in 2006 (completely ignoring the fact I couldn't draw a human face). This year I finally got over that worry and I'm looking forward to involving more colour in my work this year.