I’m writing this in my dressing room at the Union Theatre, where I’m currently a cast member in the show The Spitfire Grill. I say dressing room in the loosest sense of the word. It’s an attic space directly above the stage, underneath the railway arches, lit by fairy lights and disco balls  and with a few friendly mice running around. Its genuinely quite romantic and charming, as long as we remember to take the bins out. It’s a profit share production, which means  ...