There   are many men who want their sex life never stops and its always be entertaining but sometimes it can be harmful in many ways. Though many people try their level best to improve their libido but it becomes important to know the reasons behind the condition which really affect the sex life. However after few research done on this, it was found that testosterone in body affect a lot in sexual life. In fact there are other reasons as well and by improving these problems can really be helpful and it can lead to a better sex life. Well here you will get to know about some of the reasons which really affect sexual life and which needs to be improved.