
You can never say yes or even hesitate at all to blurt out “No!” Any show of thought or hesitation means you're considering that they might and you are dead.
How does this pertain to the workplace or a project or your job? I spent my whole career in positions worrying about what my C-levels were thinking about in terms of my performance and my projects' performance. It probably even negatively impacted my productivity and performance quality negatively at times - thus having the exact opposite affect on my performance!...