I think every woman needs to learn to not need anyone and to always always be able to hold herself up alone. Nothing wrong with love of being with a man, just learn to keep your independence! Needing and wanting a man in your life is different.
The hearth and the Salamander can also mean happiness and if Montag chose to be happy or not. The two things in his life his home and his work. Did it really make him happy. He chose happiness over this home and his work by reading the books.