"If only we knew what," Booth says, putting on a wistful tone. "Then I'd know where I was going."

He shurgs. "Nah, it's pretty straight forward. I'm basically a liason between the Bureau and the Jeffersonian. I run a lot of cases where I need the help of Dr. Brennan, and since we work together pretty well, I tend to get assigned to those cases. It's easier to just say she's my partner, but that's not exactly official."