How was I condescending? If we are using your logic then I should be calling you naive, unwilling to learn or just delusional but I'm not because there's no point to that. Try looking up the reptilian brain, it has nothing to do with you seeing EXACTLY the way I see it. It's fact, look it up.
The bathtub comment is ridiculous, some people actually think burrow dwelling snakes actually enjoy being forced to swim with no way out.
And of course he hangs on your neck when you put him there, what other option does he have besides falling?
How do you know he enjoys new smells and things? Does he tell you? Or is it that he is trying to identify if something is predator or prey, danger our a hiding place?
I am not trying to tell you not to handle your snake or anything of the sort. Just look at it for what it is, a snake. Not a dog, not a cat and not a person. Basic animal behavior and human behaior are not the same thing.