Penises! They're so great, but they're all so different.
Which is why we spoke to Dr. David Shusterman, a urologic surgeon at New York Urology, to get the lowdown on exactly how different penises can be.
First things first, says Dr. Penis — I mean Shusterman: Penises are going to look different whether they're erect or not. You probably knew that.
There are four distinct types of penises, according to Dr. Shusterman. We're not talking about length, or even girth here, but shape.
They are (drumroll please...)
But oh, if you were wondering about how to determine a guy's penis length and thickness, THERE IS NO SPECIAL SECRET.
And there you have it — now go forth with penis power.
And if you want to read about the five kinds of vaginas out there, click here.