psychoblast, I see what you're saying, but I'm comparing raw pain and pleasure. You don't need pain for pleasure.
Just like you said, "there are receptors that can ONLY feel pain." You never said that there are receptors that can feel both, only "pleasant or unpleasant" pressures. Just because it's unpleasant doesn't mean it's painful; it's just less desirable.
I think you missed what I was saying or vise versa. But, from what I gather from your post, you're talking about pleasant vs unpleasant, which is different than pain vs pleasure. I'm talking about the latter, in which pain is not necessary to have pleasure.
Just like you said, "there are receptors that can ONLY feel pain." You never said that there are receptors that can feel both, only "pleasant or unpleasant" pressures. Just because it's unpleasant doesn't mean it's painful; it's just less desirable.
I think you missed what I was saying or vise versa. But, from what I gather from your post, you're talking about pleasant vs unpleasant, which is different than pain vs pleasure. I'm talking about the latter, in which pain is not necessary to have pleasure.