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The researchers said their
help to explain much about the
of human relationships. They say dopamine in our brains plays a
part when falling in love, and in the
experienced when breaking up with a partner. Dr Donaldson said: "As humans, our entire social world is basically defined by different
of selective desire to interact with different people, whether it's your
partner or your close friends." She added: "This research suggests that
people leave a unique chemical
on our brain that drives us to maintain these bonds over time." Research also suggests that women get over a
, and fall out of love
than men.
