Hi, Lybrate user, you need to monitor your weight. Over weight might cause shrinkage of penise. However, length of your penise is 4" aprox, can penetrat into vagina to father a baby.
You should massage your penise with mastured oil once, daily.
Tk, apples, cheese, pumpkin seeds, and milk. Avoid,junk food, alcohol and nicotine. Tk, care.