We went earlier this week to see Home I'm Darling, Laura Wade's sparky play about a woman who 'chooses' to stay home and recreate the role of a 1950s housewife - spot-free kitchen, husband-slippering and all.  It's a really original idea:  the recreation is Judy's own, and it mixes commitment to authenticity (clunky frig, relentlessly bright decor) with streaks of contemporary living.  So once husband Johnny is seen out of the door and off to his pedestrian estate agent job, sandwiches in briefcase,  Judy opens the kitchen drawer and pulls out - a laptop.  We are regularly tipped into uncertainty whether hers is a genuine if eccentric lifestyle choice or a delusional…