It must've been that odd mushroom: Its pungent spewed spores have made me A fungal all-fours beast of gloom.
It couldn't have been my own brain: So toxic, rotten, and seeping Out meanness, spreading all the same.
Infected, that's why I'm absolved From sinful guilty reflections, It was them, not me, that mushroom.
Cordyceps are small yellow fungi that infect insects and other fungi, turning them into mindless zombies that spread the infection until it eats its host.