A studyinSocialCognitiveandAffectiveNeurosciencefoundthatduringtheinitialloveperiod, theVentralTegmentalAreawasveryactive, andaswastheareascontrollingaddiction, butasloveworeon, thebrainchanged.
Wheninnewloveforexample, peoplereportpiningandanxietyfeelings, andthatlikeyouknow a heatedneedinessthat's reallyheated, after 20 years -- marriedcoupleshadmoreactivityintheposteriorglobuspallidus, whichisassociatedwithpleasureandpainrelief.