There are numerous factors that disturb nails growth, such as your lifestyle and eating habits. If your nails are not growing, then you should stop biting them immediately. If you are using a high in chemicals nail polish remover, you should change it. Nail polish removers with too much acetone can make the nails dry, therefore, they can break easily. Eating a well-balanced diet will not only help your nails grow quickly, but they will also become strong.