The three questions above are the concept. The thread is the evidence.
A bounded pause holds its shape. Latency rises but stays consistent, a day is a day all week. Replies shorten but stay warm: your name survives, the inside references survive, the tone never goes customer-service. They still initiate sometimes, even if only logistics. Plans survive or get explicitly moved instead of quietly dissolving. And the strongest tell: the return point holds, or gets renegotiated before it passes, never after.
A fade's first tell is what never happened: nobody made a request, the distance arrived without a sentence attached. Latency grows on a lengthening curve, hours become a day, a day becomes several. Replies compress to one-word acknowledgments. Questions disappear from their side first, the earliest tell, because questions are bids for your presence. Initiation stops. Rain checks come with no new date. On the rare return, the gap goes unmentioned and you do all the re-entry work.
No single signal settles it. People get slammed, sick, distracted. The pattern is the diagnosis, and the pattern is directional: a bounded pause holds its shape, a fade keeps losing shape.
One warning about reading calm. In Fraley and Shaver's 1997 suppression experiments, dismissing-avoidant adults told to push away thoughts of a partner leaving showed lower physiological arousal, not hidden distress. Their calm during a pause is genuine down-regulation, not indifference. Composure is not a verdict.
The Gottman Institute's flooding research gives the bounded pause its lab-validated shape: a conflict break of at least 20 minutes, because stress hormones need that long to clear, and at most 24 hours, because past that a break stops being regulation and becomes avoidance, with a return time both people agree on. Floor, ceiling, agreed return. That's what bounded means.
And if the silence has a price list, warmth back only when you comply, that isn't a pause, it's a control pattern, and the checklist near the end of this page is written for it.