Even movies say: Opening invoices and final notices just keeps you from evolving into the hero that you're destined to become.

Bad interpretation: Keeping the flow at any cost might make you drown.

The whole productvity thing seems much more complex situation-wise, and still it boils down to keeping it up.

Everything that nudgingly reminds you of that seems helpful. If it's a person, you even can hate them for it. A little bit at least.