Forgiveness feels like a rotted grave

She left him angry and alone
Broken and in despair
His heart a shredded bleeding mess
His feelings for her were bitter
They were toxic and cold
As he felt the knife she had driven
Deep within his lone dark soul
The taste of aspic poisonous and rife
Why had she destroyed him
Why did she tear him limb from limb
And yet deep within he knew he should forgive her
But that would feel like a rotted grave
Where his carcass twisted and distorted is
Wracked with torment with a heart full of maggots
Feasting on him like a necrotising faciitis decay.