Grief is not only non-linear, but completely inconceivable until you've experienced it firsthand. Even then, grief manifests differently depending on how you emotionally process, who you lost, how you lost them, and the strength of your support system.
Attempting to explain grief, and the ways mourning comes and goes at will, can be incredibly difficult. How do you sum up a sadness that is constantly shifting and often out of grasp? Death and loss, while normal, still don't settle into our brains lightly, so it makes sense that we're sent into a jolt of non-linear emotional grappling.
The Twitter user Lauren Herschel quickly went viral for her thread on grief, wherein she shared the visual analogy of "the ball and the box."