He was all in. Texts at noon, plans for the weekend, the long voice notes. Then the temperature drops with no event you can point to — shorter replies, longer gaps, a politeness that feels like a door closing. A few days later he is warm again, as if nothing happened. You keep replaying the cold snap looking for the thing you did. That is the wrong tape to study.
Hot and cold is rarely a strategy. Most men running it could not tell you they were running it. It is a thermostat inside him, and you have been reading it as a verdict on you.
The three things it usually is
Avoidant deactivation. This is the common engine and the least understood. When an avoidantly attached person gets close enough that the closeness registers as exposure, a defense fires — attachment researchers call it deactivation — and the warmth he felt yesterday gets quietly overwritten by a story about why he needs room. The cruel part: the cold feels like clarity to him. The distance produces relief, and the relief reads, from the inside, as proof that pulling back was correct. Then the alarm quiets, the wanting returns, and so does he. The warmth was real. The cold was real. Both are weather, not a decision about you. See avoidant attachment for the underlying pattern.
Intermittent reinforcement. The minority case, but it is real and you should not pretend it never happens. Some people learn that a warm week followed by a cold one keeps a partner working harder than steady warmth ever would. Unpredictable reward is the stickiest schedule there is — the breadcrumbing entry covers the mechanics. The hot phase here usually arrives with promises: the trip, the label, the “after things calm down at work.” When the heat comes packaged as a future that never gets a date on the calendar, you are likely looking at future faking, not a feeling.
Your own calibration. The uncomfortable one. If your system runs anxious, ordinary variance — a busy Tuesday, a flat mood, a slow reply — can register as a cold front. Not every dip is a withdrawal. Sometimes the thermostat is fine and the alarm is yours. Worth ruling out before you build a case.
Here is the part that saves you the diagnosis: you do not have to know which engine it is, because the correct move is the same for all three.
The move
The reflex is to mirror his temperature — surge toward him on the hot days, chase him on the cold ones. That is the one response that fails against every engine.
Match the heat and you train him that intensity buys your composure. Chase the cold and you confirm that distance summons you — which feeds the deactivation in the avoidant and pays out the jackpot in the operator. The flat frame does neither. You stay at one temperature. You answer warmth with warmth at your own pace, and you answer cold with the same calm nothing — no audit, no “you seem off,” no thread you keep alive alone.
This is not the silent treatment. It is the refusal to be a thermostat he adjusts from across the room.
What the pattern tells you
Hold the flat frame for a few weeks and the pattern will tell you what the words never will. If it is deactivation and he is doing any of his own work, the swings get smaller — the cold snaps shorten, the warm stretches hold, the amplitude shrinks toward something you could build on. If the swings stay violent, or the hot phase keeps arriving as promises and the cold phase keeps arriving as silence, you are not in a relationship that is settling. You are on a schedule that is being run, and the kindest read of it — that he cannot help it — does not change what staying costs you.
Either way you come out with information instead of whiplash. The chase buys neither.
For the full framework — reading the move, refusing to mirror it, returning from a stronger frame — see the DarkoApp doctrine and the 48 Laws applied to modern texting.