Sam: “I have tremendous anxiety. Things that I’m very sure of, in the sciences, I don’t have a difficult problem. When you start getting out of those areas, I get into real problems.” Whitley: “Fear?” Sam: “I don’t know what it is. Some kind of anxiety there. I really can’t pinpoint it.”
That's just normal. Unless you're someone that's comfortable with speaking out your butt on things like physics, religion, the environment, interstellar space travel...