Booth was in a coma. Brennan read him the book that she was writing. When he woke up he thought that they had a whole different life together, he thought they were married. He thought that for days.
[Stares, surprised, for a moment] No, I deleted the book. I'm tired, Angela, I'm going to go check in at the office then go home. Nice to meet you, Miss Harmonia. [Leaves]
A sweet, kick-ass FBI murder solver with hard fists and a lion heart? Mmm, yep, you're still him. My advice, for what it's worth, is forget the bruised brain and go with the lion heart.
Yes. Except, be sure about your feelings, because if you crack that shell and you change your mind, she'll die of loneliness before she'll ever trust anyone again.
This is called the ventral tegmental area, and this is the dorsal caudate body. Now these two areas have been proven to be linked to romantic love and sexual arousal.
No. [Reopens computer] This scan was taken before your operation. The green and blue areas indicate low activity. The same scan while you were in the coma: lit up like the fourth of July. You were dreaming of being in love, of being married, right? [changes image] The same scan, three days ago. Before your operation you were not in love. After your operation you were. Conclusion: your feelings are not real and will fade away, like every other symptom. Now, I think you and I both know that Dr. Brennan's hyper-rationale is really just a cover for a very vulnerable and sensitive core.
[turns over a card] You were an abandoned child. [turns over another card] The world scares you, so you wrap it up neatly in bonds of reason, education and proof. All riddles are solvable to you, except for one.