[Richard Kimball]

That’s because Juan’s (also known as The Furrowed Brow) eyebrows get so furrowed it causes creases in his brain hence he misses a lot that happens.

Juan believes what he's paid to believe.

That's the truth about most talking heads. They read the script, or the network will get rid of them and find someone who will read the script.

[MagnoliaB]

I think Juan enjoys reading the script.