It's the question that every male on the planet wants to know the answer to, but then goes immediately goes into a state of anxiety about, just in case the answer isn't the one they want to hear. There have been so many articles around this subject, contradicting each other, that it's left modern man in total confusion about what the real answer is.
Well, the first step on the road to really knowing is to get a women to tackle this question for you. When tackling such a 'delicate' question as this it's only prudent for a member of the opposite sex to address this issue and try to look at the facts with a neutral, open-minded conscience.
So guys here's a female perspective on a man's age-old conundrum.
OK, so there's some good news and bad news. The good news is, size matters but there's a limit. And the bad news: size matters. There are a few other factors that come into play as well, like the size of your wallet, the size of your house, the size of your car...
I jest, but it seems that proportion plays a big part when it comes to how attracted a woman's going to be to your pale, naked form staring back at her. Watch the video from Asap Science for the complete lowdown.
And, if you're a man, you can also take solace in the fact that human males have the largest genitals of all the primates. Take that, buffy-headed marmoset!
And remember guys, the internet never lies. Much.