The undeniable certainties in our lives are, of course, death and taxes. And the undeniable certainty of death is that in most cases, surviving loved ones are left behind to struggle with profound feelings that aren’t of the everyday variety.

Grief is the natural feeling that results from losing someone close – and it’s a healthy way to cope with the periods of sadness that follow the death of a dear loved one such as a spouse. But grief is also ...