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.
Every guy thinks that every girls' dream is to find the perfect guy. Please, every girls' dream is to eat without getting fat. But a perfect guy instead wouldn't that bad if he'd accept the fact that I could get fat.