Sartre clearly suffered from extremely high openness without the balancing of conscientiousness needed to finish projects. He would start projects constantly, discarding old ones mid-way through. This books often referenced a coming part 2 which was never delivered. In the world of philosophy, he suffered from shiny-object syndrome, always wanting to explore something new.
Connections
How To Reconcile Discipline With Authentic Passions
Reference
� At the Existentialist Café