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The
helps to explain more about how
human relationships are. It says dopamine plays a
part when falling in love, and in the
when breaking up with a partner. Dr Donaldson said: "Our entire social
is basically defined by different
of selective desire to interact with different people, whether it's your
partner or your close friends." She added: "Certain people leave a
chemical imprint on our brain that drives us to maintain these
over time." Research also suggests that women get over
faster than men.