Zabei (Russian: Забей) – it means "never mind" also means "hammer a nail".
Calendar is created to facilitate human's life in the complicated circle of life. There is no day without an unexpected issue. But with the calendar you can easily give up on it and keep on moving forward.
Tomorrow is your project's deadline and nothing is ready; your car is damaged by a chipmunk; your were cut 46 times with a knife at street fight; or your cake was poisoned with a plague viruses - take it easy! Knock another nail in the calendar every day and your life will become easier!