The quickest way is to use Viagra, but that's an overdraft, which is harmful to your health. The healthiest way is to tonify the kidney, and eat more foods or drugs that tonify the kidney, such as Lycium barbarum stewed by cockerel and Liuwei Dihuang Pill. Keep a happy mood at all times and refrain from having sex too often. The safest way is to find a doctor in a regular hospital to help you. You can't just make up for it. There is a lot of publicity about this on the internet now. What you should pay attention to is that you are easily fooled. The money is spent, but the effect is not at all. The poor can ruin your good health or cure you of disease. If you are in a hurry to have children, let's find a regular hospital.