If you develop an ear for sounds that are musical it is like developing an ego. You begin to refuse sounds that are not musical and that way cut yourself off from a good deal of experience.
I know it is hard for you young mothers to believe that almost before you can turn around the children will be gone and you will be alone with your husband. You had better be sure you are developing the kind of love and friendship that will be delightful and enduring. Let the children learn from your attitude that he is important. Encourage him. Be kind. It is a rough world, and he, like everyone else, is fighting to survive. Be cheerful. Don't be a whiner.
Music lives in three tenses at once. Developing what comes before it in the past, it engages us in the present, and inspires our hopes for its future.
The most difficult part of writing a book is not devising a plot which will captivate the reader. It's not developing characters the reader will have strong feelings for or against. It is not finding a setting which will take the reader to a place he or she as never been. It is not the research, whether in fiction or non-fiction. The most difficult task facing a writer is to find the voice in which to tell the story.