If it hurts, do it more frequently, and bring the pain forward.
Continuous Delivery: Reliable Software Releases Through Build, Test, and Deployment AutomationChange is not a four letter word...but often your reaction to it is!
Jeffrey Gitomer's Little Book of Leadership: The 12.5 Strengths of Responsible, Reliable, Remarkable Leaders That Create Results, Rewards, and ResilienceDefinition of Statistics: The science of producing unreliable facts from reliable figures.
Evan Esar