Surly you know about the steroypical surfers life... as for clothing the clothing ghiants are trying to make you trhink we ware specifc things but really its what ever you feel comfortable in!
As for the 'code' have a look here -->
https://surfing-waves.com/basic_rules_surfing.htm
thats a rough guide...
Thoese who are serious and dedicated to the sport with it being an integral part of their lives go surfin in winter. everyone else is jus a fair weather surfer!
As for me, I'm just your average guy, that revolves the majority of his life around waves. I'm addicted and when I go without i'm ratty, pissed off and can't sit still :p