It is possible to be wondering why this could happen because an erection may be caused by blood flowing to the spongy tissues that line the penis, which makes them more tense and longer than normal. Do performance anxiety, then has anything to relate to blood flow? It is a definite yes. It is essential to understand the brain lies at base of virtually every single activity performed by the body for ED and for better get swallow Fildena CT 100. If a person is in a state of sexual excitement or aroused and arouses his senses, the signal for tissues to expand and blood to flow towards the penis originates through the brain.