“Many men with a true micropenis will have difficulty with healthy sexual relationships because of their insecurity,” he told us. “Hence, no partner.” “Hence, no partner.” Think about that. They have sexual dysfunction not because of their tiny dicks, but because of their own insecurities. A man's manhood is something that probably makes him totally nevery.info's the reason why, even if you both know you're lying, a guy gets super-happy if you tell him he's the biggest you've ever had. It gives him that boost of confidence and praise he so earnestly craves from you. Micropenis is the term for when a penis is deviations from the average penis size. According to Dr. Joseph Alukal, assistant professor of urology and director of male reproductive health at New York Univeristy's Langone Medical Center, this means 3 centimeters ( inches) when "stretched" while flaccid.