A 6cm thick penis is possible to have a sex life. There are individual differences in the size of the penis, clinically, it is generally believed that Chinese adult males with an erect penis thickness of more than 3cm is within the normal range, if there is no erectile dysfunction, you can have a normal sex life. Generally speaking, as long as the size of the penis is within the normal range, there is no obvious impact on the normal sex life, the quality of sex life depends on the couple’s feelings, sex habits, sex life skills and other factors. If you are not satisfied with the quality of your sex life, you can make adjustments to the above aspects. Men who have abnormalities of the sexual organs or erectile dysfunction should actively go to regular hospitals.