The way Hamnet portrayed grief through art is incredible, and it was particularly effective for William’s character as his arc was defined by a deep struggle to externalise and articulate his emotions. we see him break down while writing those notes
unable to truly comprehend the weight of his feelings in front of Agnes. When Hamnet dies, his grief remains frustratingly internal, leading Agnes to tell him to go back to London and that the family doesn’t need him.
But then, he finds his one true way to express that grief and reconcile with Agnes: the play. By swapping places becoming the Ghost father to the son, Hamlet—he finds a way to finally say goodbye. He once said he would find his son somewhere,
and he fulfills that promise on the stage. It’s so beautiful because the theater is the place where he can finally meet him. His grief isn’t expressed through screaming or crying; it’s expressed through the meeting that happens in the performance.
This act also honors Hamnet’s specific wish to one day play with a sword in an act. By having the character of Hamlet do exactly that, William delivers a cathartic tribute to his son’s spirit. This artistic realization is what finally allows Agnes to see the depth of William’s pain, bringing them both to a point of reconciliation. It was a profoundly moving way to show how art can become the final act that brings both realization and healing.