Every workflow preference reflects a mild form of a mental illness. My wild guesses.
Agile: ADD (me, early 30s)
Waterfall: OCD
PMP: Sadism
Flow: psychopath
Kanban: Social anxiety
GTD/Lean: NPD (me 20s)
Fuguework: psychosis (me post 35)
Daily lists: BPD
None: Depression

