Negative spirals are often created by some common anti-patterns. These anti-patterns are very effectively solved by DevOps and Continuous Delivery.
I start with my personal thoughts on attitude to work.
The most important part of the Agile Manifesto is not the 4 comparisons.
As a Lean/Agile coach, I want my team members to take turns running all the key ceremonies; Standup, CFD, Retrospective, Planning Poker and so on. It works better that way. It’s like my mother always told us kids:
Family Hold Back to let the guests go first.