Dear user, Thank you for writing to HCM. It is good to listen that you have improvement in obesity and successfully reduced your weight. There is no MUST length for penis. It greatly varies from person to person. The fact is that the size of penis has no relationship with sexual satisfaction of female partner by experiencing genital sensations during intercourse. This is very rampant myth. The lack of knowledge causes fear and apprehension. Let me explain how this happens. Only outer one third and the front wall of vagina have nerve fibers and hence sensitive to stimulation. Rest of inner two third is largely insensitive. So if you want to arouse your partner during sex, you should focus on the areas of maximum nerve endings hence clitoris and inner lips or labia minora, the outer wall and outer two third of vagina. So for female sexual gratification, the size of erect penis could be anything from two inches or more! You are fit to satisfy your partner by intercourse. You remember that what important is strength and not the length! Entry and to and fro continuous movements are adequate. It is men s technique, not his penis size that characterizes the lover in him. Bigger is better logic does not fit here. For personal preference you may consult urologist for increasing the size by implants and surgical techniques. Wish you good health.