The men women describe as “the good one” almost never have one big thing. They have ten small ones. The grand gesture — the surprise trip, the diamond, the public proposal — counts for less than people think. The ten things that count are smaller, quieter, and harder to fake.

Here they are. None of them require money. All of them require attention.

1. Knowing her shoe size

Without checking. Without asking. Either she told you once and you wrote it down, or you noticed and stored it. Why this one matters: it is the small physical detail you have no reason to know unless you wanted to. The same logic applies to her ring size, her dress size if you can manage it, her bra cup if you can manage that. (Most men cannot manage that. Knowing the shoe and the ring covers 90% of the cases when it would matter.)

2. Knowing her favorite color

Not “she likes blue.” Specific. Navy or cobalt? Burgundy or coral? She has a specific one. If you can pick the right shade out of a row of similar shades, you are in.

3. Knowing her coffee/tea order

The specific one. Latte with oat milk, no sugar. Earl Grey with lemon, no milk. American black, two sugars. This is a daily-life detail, and the test is whether you can order for her at a place she has not been to.

4. Knowing her parents’ names and using them correctly

Not “your mom.” Her mother’s actual first name, used when you call her on her birthday. Her father’s full name. How to pronounce her grandmother’s name. The names of the people who made her are her foundational data; using them right shows you took the time.

5. Knowing what she will not eat

Not allergies — those are obvious. The real list is preferences. Cilantro tastes like soap to her. She does not eat cooked tomatoes. She doesn’t like cheese, despite being from a cheese country. The avoid-list keeps you from accidentally ordering for her wrong, and from cooking the wrong meal on a date night.

6. Knowing the names of her three closest friends

By name. Their relationship to her (“oh, the one she went to college with”). One thing about each (one is the funny one, one is the steady one, one is the one she calls when she’s upset). When she says “I’m having lunch with [name]” — you should not be saying “who?“.

7. Knowing her recurring dream / fear / pet peeve

Most people have one. She is afraid of flying. She is claustrophobic in elevators. She has a recurring nightmare about losing teeth. She gets weirdly upset when people leave kitchen cabinets open. These are the small intimate details that very few people know. Knowing them, and acting accordingly, is what separates “married five years” from “knows me.”

8. Knowing her favorite memory of you two

She has one. You can ask. If she names it, write it down. (This is the data layer for anniversary cards forever after.) If she names two — even better, you have a calendar.

9. Knowing her morning routine

Coffee first or shower first. With music or without. With the curtains open or closed. How long it takes her. What she eats, or whether she skips breakfast. This is mundane and therefore high-signal: it is data only the people who live with her have.

10. Knowing the one thing she does not want changed

Most people have one preference that is non-negotiable. Some non-obvious example: she will not give up her morning silence, the bed must be made before she goes downstairs, she will not eat a cold breakfast, she needs the dog walked in a specific direction. Knowing it — and not arguing about it — is its own small monument to attention.

Why these ten

Three reasons.

They are unbluffable. You cannot fake knowing her shoe size in a quiz. You either know or you don’t.

They compound. One alone is “okay.” All ten is “he knows me.” The cumulative effect is much more than 10×.

They get tested by accident. A friend calls and you reference her parents’ name correctly — the friend notices, mentions later. You order at a café and she watches you order her coffee right — she registers. Most of the moments where these get tested are small and unplanned.

The only failure mode

If you know all ten, you have one remaining job: do not announce that you know them. The man who sits her down to recite the list is not the man we are describing. The list is for you. The signal it produces — “he just knows” — is the gift.

What to do if you don’t know most of them

Pick three. Start with the easiest three. Shoe size, coffee order, three friends’ names. You can capture all three within a week without her noticing you are working on it. Add three more next month. Within six months, you have ten.

The Wise Husband app has a profile slot for exactly these ten — auto-prompts you to fill in what you don’t know yet. But a paper notebook with ten lines is the same.

The men who know all ten are not romantics. They are systematic. The romance is the byproduct.