“In humans as well, it is because your loved one existed that certain neurons fire together and certain proteins are folded in your brain in particular ways. It is because your loved one lived, and because you loved each other, that means when the person is no longer in the outer world, they still physically exist—in the wiring of the neurons of your brain.” GriefGrievingMourningCoping Book:The Grieving Brain: The Surprising Science of How We Learn from Love and Loss Source: The Grieving Brain: The Surprising Science of How We Learn from Love and Loss