Brennan: i went to see Sweets
Booth: y?
Brennan: bcos something is wrong with me
Booth: Bones, nothing is wrong with you
Brennan: no, i thot today when we apologise to each other that everything was fine
Booth: bcos we were being polite
Brennan: yes, we were polite but you still knew that everything wasn't fine
Booth: i was ah.. hoping that it would be.. you know, in the future
Brennan: but only if we admit that it isn't fine right now. Sweets said that i am subconsciously rebeling against the fact that my happiness is now contingent upon your happiness and christine's.

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sorry for the spoiler!

but i totally understood "only if we admit that it isn't fine right now"!