Talk to Urologist on Growth Issue

Hi, My Name is Fahad i'm 20 yrs old Hieght 5'10" and wieght is 95KG From Pakistan. I'm worried about my penis size I'm getting married in July 2021. Because of this stress I'm now facing ED even from last two weeks. I got my FSH and Testesterone Tests done FSH is 4 and Testesterone is 6.5. Which are normal according to given References on Reports. My penis is not Growing i think so as of my age other people are alot bigger than me. I want to know what to do what should i eat or prescribe me something. My Overall growth is normal Beard pubic hair hieght etc. My Penis when Erect is about 4.5 Inches And Girth is very less than normal in Circumference its about 3.67 inches I want to get it bigger is it possible? Or is it normal kindly tell me clearly. Or will it grow in upcoming time?