Martin Freeman and Jack Lowden on incels, addiction and fatherhood

Getty Images"I think I might be an incel."It's the first line Jack Lowden speaks in The Fifth Step, a two-hander play that focuses on the relationship between a recovering alcoholic and his sponsor."The line is a bomb - a hot button thing that's really funny," says Martin Freeman, who stars alongside Lowden.From the opening line, audiences may think they know what kind of show they are about to see, but what…