When you are not able to get an erection, the blood flow would be repeled back by the PDE 5 enzyme present in the male body. When the muscles become stiff and no blood flow happens to the penile area, you will not be able to get an erection. Before all this can happen, your brain should send signals to the erection tissues to absorb enough blood. That means, you need to have interest towards making love. When you are having interest and signals are being sent, if you are unable to get an erection, then it is the problem with the blood flow only. This medicine Kamagra will repel the effect of impotency on men. That means, it is going to drive away the effect of this PDE 5 enzyme. So, when the effect of this enzyme is reduced, you will be able to get enough blood to the penile tissues. These tissues are sponge like things and hence blood will get filled into the sponge like tissues. So, now that the blood flow is good, the tissues get enough blood and hence erection will happen. All this will be done in just 30 minutes to one hour. So, you need not have to worry about erectile dysfunction at all. Just Kamagra and get the erection. It is that simple. But you will have to take the medicine Kamagra Bestellen everytime you want to make love. This should not be a big problem at all.