7x06 - The Crack in the Code

Ok, now سے طرف کی the end of this مضمون (or already at the beggining, because of the title) آپ might be calling me crazy.
But my theory is this:

What if Parker wasn't a ghost/hallucination?
I mean, at first I did really believe he was just a figment of Booth's mind, because of the drugs and stuff.
But we do see along the episode that Parker makes physical stuff (like getting an object that was deep in the water, like carrying the lantern, like opening the hatch!) - I mean seriously, what a hell of a good hallucination, that makes that kind of physical stuff.
At first I accepted all this, but when at...

Pilot [1.1]

Brennan: Tell me آپ tried "excuse me" first.
Angela: Ah, Sweetie. Yes, I did. Welcome home. Are آپ exhausted? Was Guatemala awful? Was it horribly backward?
Brennan: And yet, I was never reduced to flashing my boobs for information.

Angela: آپ know, diving head first in a pit of cadavers is no way to handle a messy breakup.
Brennan: Angela, nothing Pete and I ever did was messy.
Angela: [laughs] Then آپ weren't doing the right things.

Brennan: Look, I am sorry if I embarrassed آپ in front of your friends, but اگلے time آپ should identify yourself before attacking me.

DHS Officer:...

Sweets took a deep breath before he knocked on Hacker’s door. He was nervous; of course he was. He was about to lie, willingly, to the deputy director of the FBI.
“Yes?” he heard.
“Um…” he tried to think.
“Come in” Hacker sighed.
Sweets took another breath. Feeling this nervous was wimp-like. If wasn’t that big a deal.
“Yes?” Hacker asked again once Sweets had made it inside. “I’m a very busy man.”
“Oh, I know.” Sweets said, considering leaving and coming back another time. But he couldn’t bring himself to. “It’s about Dr. Brennan.”
Hacker grunted and put down...