There has always been a certain proportion of people who leave the Church on issues of authority and sex. That hasn't changed since we started doing research on it back in the early 1960s. ↗
But, if you observe children learning in their first few years of life, you can see that they can and do learn on their own - we leave them alone to crawl, walk, talk, and gain control over their bodies. It happens without much help from parents. ↗
People with high blood pressure, diabetes - those are conditions brought about by life style. If you change the life style, those conditions will leave. ↗
Leave home? It's quite a scary thought. I'm not the most independent person and that's the result. When you're always surrounded by people it becomes quite normal. ↗
I don't think it's the job of filmmakers to give anybody answers. I do think, though, that a good film makes you ask questions of yourself as you leave the theatre. ↗