Mrs Churchill - My Life with Winston

They say that behind every great man, there is a great woman. Was this true in Churchill’s case? What of Clementine, his wife for 56 years? Did he bully her like he did so many other people? Was he as grumpy and irascible at home as he often was in the House of Commons? Did Clem have any influence on him at all? Or was she 'the little lady at home'?