>>565215When you have big unit, you could end up wearing a jock strap the rest of your life every day.
Your balls will sag so much from gravity that it will start to cause you shooting pains in your testicles.
Just like penis size being different, the inward length of the vagina varies, if you end up with a wife with a 5 inch cave your big jimmy is going to be smashing into the end of it which will be both painful for you and her.
Average size is fine and most universal for pleasing.