Trainwreck is a romcom as written and directed by Amy Schumer, the American comedy prodigy whose Comedy Central sketch show is properly hilarious and transgressive, from what I’ve seen. Indeed, if nothing else, I beseech you to watch one particular sketch, as viewable on YouTube, where a group of famous Hollywood actresses gather to celebrate one of their number’s ‘last fuckable day’, explained as follows: ‘In every actress’s life, the media decides when you’ve finally reached the point you are not believably fuckable any more….