Who influences whom? — draw network to know "who talks to whom to shift decision".

Who is actually consulted before any important decision, even without the formal title? Find them before launching a major change.

Invent at least three plausible reasons for a behavior that upset you, before you judge.

Before confirming a decision, spend 10 minutes writing the counter-case forcefully.

Your quick intervention to stop every squabble robs your children of learning to solve it themselves — deliberate delay beats over-hasty intervention.