Picture a Venn diagram where behavioural science, character comedy and storytelling are intersecting the hell out of each other. BBC comedy writer Maria Peters explores what cringe is, why we do it and how the world would be without it. If you can't remember the last time you cringed, this should refresh your memory: come cringe at the Fringe! 'Pure joy' *****(LondonImprovTheatre.com). ***** (FringeGuru.com). @ThatMariaPeters