Coffee. So that's our relationship? Coffee.
This is exactly why psychology is useless, because she is lying through her teeth and this…Dr. Sweets has no idea. Ergo, his conclusions will be incorrect and they are wasting their time.
It's really quite simple. What an interesting conundrum, though. In spite of her rationality—well, more like because of her rationality, Dr. Sweets would never be able to truly help. She's too controlled.
Because if there were no more murders, if there were no more reason for Booth to be her partner…
They sure as hell would not be just 'having coffee.'
