Every men or women have their own secret. Women will talk about their private things such as their vagina when they chat with their girl friends. It becomes interesting because each person has its own shape and size. Just like women, men also did the same things and not often they use their things as a joke. Penis is not only symbol of masculinity but it is as a mean to build romantic relationship. Men will be proud when their penis has big size in the other way men will be shame if their size is small.The penis’ size whether it is big or small, the most important thing is that penis run their job well. The size of penis will grow as the time of puberty came and each person will have different time to grow. For some people, their penis will be grow when they are 9 years old but for other maybe when they are 15 years it starts to grow. Regular size penis will be varied it depends on heredity and the treat that it get. You cannot compare to your friends or your brother because even you are relatives but still it will not completely is the same. The average for regular size penis length of an erect adult penis is about 6”. It is not absolute measurements to determine the regular size penis. The size covers the length and the big. If you have small penis, you should not be worried because normal is not always determined by the size. The most important is the quality of yours. To say whether your penis is normal or not you can visit your doctor to get further examination. The size of penis basically is determined by the hormone in the body. There are some products and methods that let men have big size of penis but you should make sure that it is safe for you.Different situation will affect your penis size for the example when you get frustrated or you have some burden and so on. The results from various studies mention that human penis approximately 12.9 to 15 cm. It is believed that the size of the penis will affect their relationship especially when they have sexual intercourse. Recent survey and study, it is mentioned that the important factor of sexual stimulation is based on the width rather than the length.