You've heard of writer's block, how a writer will suddenly come to a speeding halt while in the middle of his book. Unable to think of how the story should proceed. Sometimes this may last for hours, days or weeks at a time. In order to get over this, he must have "inspiration". Something that pulls him out of his creative slump, so that the story can continue. Artist suffer the same. Artist's block, where an artist has difficulty putting pencil to paper and finishing what he started. Ispiriation must be found in order to continue. But for me at least, finding inspiration can take months, even years. Just recently I finished a picture I had lying around for 3 years, unable to complete it, until I found a girl who's unique hairstyle gave me the finishing touches I was looking for. I hastily snapped a picture from afar and was able to use that as a guideline in which I was able to add the final brick to the house, so to speak. It pains me to leave a picture sit unfinished, that's why once I start a picture, there's no stopping till it's finished. Running into an artist's block is ilke running into a brick wall. It takes a while to get back up.