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People, books, and breakthrough ideas—connected to the mental models and moves you can use.

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Mental Model

Elimination Diet Logic

The elimination diet is a systematic diagnostic protocol for identifying food sensitivities: remove suspected trigger foods (gluten, dairy, soy, eggs, corn, nightshades, processed foods) for 2-4 weeks to establish a symp…

Mental Model

Embodied Cognition in Nature

Embodied cognition theory holds that thinking is shaped by the body's interaction with its environment, not solely by the brain

Mental Model

Emergence

The phenomenon where a system exhibits properties, behaviors, and patterns that NONE of its individual components possess—the whole is genuinely different from (not just greater than) the sum of its parts

Mental Model

Emergence of Culture

Population-level cultural patterns can develop through repeated local interactions without a single plan for the overall result.

Mental Model

Emergency Financial Protocol

A step-by-step protocol for managing a sudden financial crisis — job loss, major unexpected expense, income disruption, or financial fraud

Mental Model

Emotional Arousal

When emotionally aroused (angry, frightened, excited, sexually aroused), decision-making quality degrades dramatically

Mental Model

Emotional Blackmail (Forward & Frazier)

Susan Forward's framework for understanding the manipulation pattern where someone uses fear, obligation, and guilt (FOG) to control another's behavior

Mental Model

Emotional Energy Accounting

Emotional Energy Accounting treats emotional experiences as having concrete energy costs and returns that can be tracked and managed

Mental Model

Emotional Labor Imbalance (Hochschild Extended)

Arlie Hochschild's concept of emotional labor—managing feelings as part of work—extended to intimate relationships where one partner bears the disproportionate burden of the relationship's emotional maintenance: remember…

Mental Model

Empire Building Dynamic

The tendency for managers to maximize the size of their domain—headcount, budget, scope—regardless of organizational need, because personal status, compensation, and power correlate with domain size

Mental Model

Empowerment

Giving people the authority, resources, and information to make decisions within their domain rather than requiring approval from above

Mental Model

Empty Fort Strategy

From the Chinese Thirty-Six Stratagems: when weak, display confidence and openness to make the enemy believe you're stronger than you are—turning vulnerability into apparent strength

Mental Model

Empty Nest Transition

The empty nest transition occurs when the last child leaves the parental home, fundamentally restructuring a family system that has organized around child-rearing for decades

Mental Model

Endowment Effect

The cognitive bias where people value things they already possess more highly than identical things they don't—simply because they own them

Mental Model

Energy Audit and Reallocation Protocol

A self-assessment protocol for mapping where your energy goes, identifying drains and sources, and reallocating toward activities that sustain you

Mental Model

Energy Audit Framework

An Energy Audit is a systematic assessment of where your physical, emotional, mental, and spiritual energy goes — analogous to a financial audit but tracking your most perishable resource

Mental Model

Energy Cycles (Ultradian Rhythms)

Physiological ultradian rhythms occur within a day, but a fixed ninety-minute waking productivity cycle is not established for everyone.

Mental Model

Energy Management Daily Protocol

A protocol for managing daily energy expenditure and recovery to sustain high performance throughout the day, based on the oscillation principle from performance science

Mental Model

Energy ROI Analysis

Energy ROI Analysis applies investment thinking to energy allocation: for each activity, what energy return do you get relative to the energy invested? Some activities have high energy ROI — a 30-minute exercise session…