Women have more active brains than men. In the largest functional brain imaging study to date, researchers compared 46,034 brain SPECT (Single photon emission computed tomography) imaging studies provided by nine clinics, quantifying differences between the brains of men and women. Source 3f.
Well, at the very least this explains why most women can control impulsive behavior better than we can. It all in that prefrontal cortex blood flow you have going on. I'm afraid most of our blood goes to a different place. rolleyes.