Yes. I believe.
I believe they are for the weak-minded.
P.S. I have an amusing story that is somewhat related. There was this dude that claimed he could manipulate your aura, and he was demonstrating this at some street show.
The person beside me asked: "Do you feel it? His powers seem very strong to me".
Me: "No, I don't feel a damn thing." (without the "damn" as I was only 12 at the time.

)
Person beside me: "You don't feel anything at all?"
Me: "Like I said, I feel nothing, which shouldn't be a surprise."
Person beside me: "Oh you don't believe in his powers, do you?"
Me: "Uh, if I felt his powers then I'd believe him, but I feel nothing."
Person beside me: "Well, if you don't believe, you won't feel his powers."
Me:
