At what point do we 'learn' to draw? Maybe we should ask at what point do we begin to worry about what we draw?
I leave sketchbooks lying around all over the place so that, no matter where I am in the house I can always grab one and get an idea down quickly (provided I can find a pen... where do all the pens go?!).
Anyway, I often find characters in the books that I don't remember drawing - little presents from my 8 year old son. I'm always struck by how uninhibited they are. There's no concern for perspective or anatomy, it's just a train of thought.
Sometimes I can't resist doing a 'polished' version of his creations in the hope of capturing that spark of life. At some point I realise that I'm doing that thing I've learned - 'Design' - analysing and applying rules which gets in the way of pure expression.
It's tricky but sometimes it's good to remember to forget what we think we know.