those systems is associated with a hormone which can be

[Thrunt 78]

There are a number of very interesting courtship marriage researchers and writers out there now. NITROXIN Since courtship usually comes before marriage, we can start there, with Helen Fisher's work.Helen Fisher,Ph.D., has used functional magnetic resonance imaging, or fMRI, to exam brains that have recently fallen in or out of love, and she has put together a brain based model of this experience that we call love.It turns out that three systems of the brain are activated in courtship, the lust, trust, and love systems, and each of  encouraged by engaging in certain activities.

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