Category: Companions
The Nut Jar
The form matters enormously. Salted, shelled, visible nuts in a jar on the counter are essentially a different food from unsalted, in-shell nuts stored in a cabinet. Research by Honselman found in-shell pistachios resulted in 41% fewer calories consumed than pre-shelled. The first configuration promotes continuous, mindless consumption; the second creates friction that keeps portions reasonable. This companion covers the nut paradox (healthy but calorie-dense), the variables that matter (salt, shell, visibility), the worst versus best configurations, conducting the audit, and making changes to how you keep nuts. (4 min read)
The Late Dinner
Wait. If you can eat dinner at 9pm, you can wait until 9pm — a snack now adds calories without replacing dinner, triggers insulin (even a “healthy” one), and extends your eating window. Patterson and Sears’s review found that patterns reducing nighttime eating and prolonging the nightly fast may produce sustained health improvements. And the hunger itself passes: ghrelin comes in pulses that rise and spontaneously fall at your customary meal times, with no food arriving. Two corrections to the folk versions of this advice — whether a snack “counts” depends on its form (a whole apple cut the next…
Insulin Sensitivity
Insulin sensitivity means your cells respond efficiently to insulin, so a small amount effectively moves glucose into cells. Insulin resistance means more and more insulin is required to do the same job. You want sensitivity. In a small isocaloric trial of eight overweight men with prediabetes, eating earlier in the day improved insulin sensitivity without weight loss, which separates timing from calories; it is the right kind of evidence at a size that cannot prove anything on its own. Resistance is a step toward type 2 diabetes; that it also drives fat storage and hunger is the carbohydrate-insulin model’s proposal,…
The Observer
You observe your hunger, cravings, and impulses without automatically acting on them. What do you notice right now? You have hunger, but you are not your hunger; you have cravings, but you don’t have to obey them. The observer notices what automatic eating hides — physical sensations, energy state, emotional state, and how much eating happens with no hunger behind it at all. And attention during a meal turns out to pay off in an unexpected direction: in three experiments, brief mindfulness instructions increased how much people enjoyed the food while reducing intake of unhealthy food, with the enjoyment driving…
The Social Eating
Social eating overeating stems from documented human behavior: you match others’ pace (social modeling), meals last longer, you’re distracted from satiety cues, alcohol lowers inhibitions, and food is central to the ritual. Research by de Castro found meals with seven or more companions average 96% more calories than eating alone. This isn’t weakness — it’s biology. This companion covers the social modeling effect, the distraction factor, extended exposure through multi-course meals, the alcohol amplifier, ritual participation pressure, and strategies that help (eating beforehand, slowing down, using pauses, limiting alcohol). (4 min read)
The Free Sample
You’re probably not hungry, you didn’t plan to eat it, and accepting initiates a pattern: see food, eat food. Research by Ariely shows that “free” triggers a different psychological response than even very cheap — we take things we wouldn’t buy. But “free” is an illusion for eating: the sample has all the same biological effects as food you paid for. The real question is whether you want to be someone who eats unplanned food whenever offered. This companion covers the psychology of “free,” the automatic yes pattern, what’s actually happening, the calculation before accepting, the polite decline, and when…
Adrenaline Response
Adrenaline (epinephrine) increases during fasting. Resting energy expenditure rises rather than falls in short-term fasting — about 14% over three days in one small study, though the larger study puts it at 6% by 36 hours, gone by 72, and absent in men. The tempting explanation, that catecholamines drive it, is one that study’s own authors decline: metabolic rate peaks when noradrenaline has not yet moved. This is the body mobilizing energy stores, signaling fat cells to release fatty acids. What none of it establishes is how fasting feels — a review argues that alertness while foraging would have been…
The Biologist
Your body is a biological system that responds predictably to inputs. Hormones respond to food. Energy systems respond to timing. Sleep affects hunger. Stress affects fat storage. The biologist mindset is understanding these cause-effect relationships and using them intentionally. Today’s inputs become tomorrow’s outputs. This companion explores the systems view, today’s inputs (food timing, composition, quantity, sleep, stress, movement), the feedback loop between inputs and outputs, what the biologist knows about adaptation and hormones, and practical application of the input-output model to daily decisions. (4 min read)
The Sleep Debt
Sleep debt directly undermines eating control. Research by Spiegel found that in twelve healthy young men, two nights at 4 hours — against 10 — raised ghrelin 28% and lowered leptin 18%, with food and activity held constant. The result: more hunger, less satisfaction, intensified cravings for high-calorie foods, and impaired food evaluation. What the trial did not measure is energy expenditure, so it cannot say what any of that does to a day’s balance. The priority is clear: fix the sleep first. This companion covers how sleep debt affects hunger, the craving shift, what sleep loss actually changes, metabolic…
The Cracker Box
Most households have 3-10 varieties of crunchy snack products. Each one is a potential eating cue, a convenient calorie source, and a food engineered to be overconsumed. Research by Rolls on variety shows that multiple options reset the satiety meter — tired of crackers? There are chips. Each variety is a new opportunity to eat. The more varieties you have, the more likely you’ll eat any given one. This companion covers the pantry reality check, why variety matters, the crunchy snack problem (low satiety, hyperpalatability), the availability effect, audit questions, and options for reducing your snack inventory. (4 min read)