Booth treats her well-meant offer with the gravity it deserves. "I will absolutely let you know," he says firmly.

He has no idea what it might be either, but the offer is worth a great deal.

Then the phone rings, and the real world comes rushing back.

"You mind if I get back to work?" Booth asks, jerking his head toward the phone. "You're welcome to stay, if you're not ready to leave, but I really should finish some of this stuff up."