Brain's 'true love' lasts only a year

Italian scientists have determined the brain chemical fired up when a person meets a "true love" doesn't last a lifetime, but rather, just 12 months.

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<p><a href="http://www.physorg.com/news8568.html">Brain's 'true love' lasts only a year</a></p> <p> Italian scientists have determined the brain chemical fired up when a person meets a "true love" doesn't last a lifetime, but rather, just 12 months.</p>