Does size matter?
As long as what ever body part we are talking about works as it should surely that is all that matters.
We are all different - sizes, weights, colours etc, but we have one thing in common none of us are perfect. Enjoy the differences, how boring would life be if we were the same?
While they are in a nudist/naturist venue, real male nudists/naturists generally are not using their penis for anything, (the only exception being urination I suppose) so the question is rather academic.
I have never quite understood the fascination so many people have with the subject. I have never felt compelled to bring the subject of my penis into any conversation be it in the real world or on the internet. Whether this is a sign of maturity or an indication of my comfort with the specifics of my own body, I'm not quite sure, but I digress.
If we must wedge this topic into the context of nudism/naturism (and apparently we must, as often it is done) I would say that being smaller would be more advantageous. Being smaller in size one would require less sunscreen to protect from the harmful UV rays. Granted it would be a negligible amount, but still less . Subsequently in the event of a sunburn in that area, having less skin surface to have burnt would be preferable (in theory). Although in the case of a sunburn, I would expect that the severity of the pain would preclude one from thinking "wow this would be so much more painful is I was larger down there!" And that brings us to the usage of topical ointments for the treatment of sunburns, but you can just apply the same above mentioned point on sunscreen.
So in short my advice is bring adequate sunscreen, or lessen your exposure to direct sunlight if you prefer going chemical free, and then regardless of any of the various dimensions of your body, there is no other reason for concern.
I Googled "Penis Enlargement" in quotes to narrow the results and the search returned
"About 15,000,000 results ( 0.20 seconds)"
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So, to answer the man's question, It seems someone thinks size matters.
Just ASKING the question, ANSWERS the question.
When it comes to women I like them petite.As for me, I got what I got and I don't feel the need to get a bigger one, but then again a longer one would be an improvement.
I like family size cars but with the spiralling petrol costs I'm considering getting a scooter.