This is where the two philosophies must work together. Body positivity provides the intention ("I want to accept my body"), while naturism provides the action ("I will exist in my body without hiding it").
In essence,
If you decide to disrobe, commit to ten minutes. Your brain will scream initially. After ten minutes, the novelty fades. After twenty minutes, you will likely forget you are naked. That forgetfulness is the goal. www+purenudism+com+naked+pictures+nudism+nudist
In men, spontaneous erections can happen (especially in new situations due to anxiety or blood flow changes). The etiquette is simple: turn over, lie on your stomach, go into the water, or cover with a towel. It is not a big deal unless you make it one. Chronic staring or waving it around is what gets you banned, not the biology itself. This is where the two philosophies must work together