Cupid's Poisoned Arrow.
Biology has plans for your love life.
by Marnia Robinson & Gary Wilson
Why Do I Find Porn More Exciting Than A Partner?
Neuroscience reveals how Internet porn can trump real sex
Published on January 17, 2012 by Gary Wilson in Cupid's Poisoned Arrow
"Unfortunately, too much stimulation causes some brains to protect themselves by decreasing their sensitivity to dopamine, and thus to pleasure, for a while. Obviously, if your brain does this and you are using porn frequently and heavily, your brain doesn't ever have a chance to return to normal sensitivity. You may find yourself clicking to more extreme material to arouse your reward circuitry's numbed pleasure center."