http://www.metro.co.uk/news/article.html?in_article_id=110104&in_page_id=34

I would treat it as a lesson in life if I walked in to shit because I wasn't paying attention.

Or - I would have a laugh. Like I did a couple of weeks ago when telling my co-workers that I had punched myself in the eye the night before. It involved brushing long, damp hair in an overly aggressive way. If a knot suddenly gives - you can punch yourself pretty hard.