With a woman, a man always wants to let himself go. And it is precisely with a woman that he should never let himself go ... but stick to his innermost belief and meet her just there.
You have to decide what is extraneous and what is central. There is always more to tell. If you want to have a finished product, at some point you have to say "enough."
Let those who want to save the world if you can get to see it clear and as a whole. Then any part you make will represent the whole if it's made truly. The thing to do is work and learn to make it.