Southwark Playhouse, LondonCordelia O'Neill's romcom about a pair of mismatched Londoners nails the giddy energy of young love, but isn't as adept at tragedy Alex and Rupert should never have met. They certainly shouldn't have fallen in love. But thanks to a quirk of fate " a magical aligning of numbers, as financer Rupert would put it " they bump into each other on the tube one morning. They tease and taunt, flirt a…
