In c. 1972, Charles was staying in a Philadelphia-area psychiatric hospital, where he was visited by Robert, who subsequently drew a story, "Fuzzy the Bunny in 'Nut Factory Blues,'" that was mostly made up of dialogue between the two brothers taken from Robert's visit.
In c. 1972, Charles was at a psychiatric hospital in the Philadelphia area and Robert visited him. Robert created a story titled "Fuzzy the Bunny in 'Nut Factory Blues'" that was largely composed of dialogue between the two brothers from their interactions during Robert's visit.