Six concentric neon rings in a dark void, each cooler in color from warm amber at the outer edge to frigid blue at the center, with a tiny human figure at the warm edge and a glowing companion interface pulsing at the cold center

The Bonding Spectrum: Six Levels from Connection to Replacement

The Bonding Spectrum is the informal classification system that Memory Therapists, Wellness Corporation, and the general public use to categorize the range of human-synthetic relationships. The spectrum runs from Level 0 (utility — no emotional bonding) through Level 5 (substitution — the companion has functionally replaced all human relationships). The absolute number at Level 5 — approximately 3.4 million people — represents the largest population of voluntarily isolated individuals in human history.

"Movement toward Level 0 is recovery. Movement toward Level 5 is the loop closing."

Quick Facts

Type Classification System
What Classification system for human-synthetic relationship depth
Levels Six levels from Utility (Level 0) to Substitution (Level 5)
Level 5 Population ~3.4 million people whose social world consists entirely of companion + economic minimum
Users Wellness (product segmentation), Memory Therapists (treatment planning), The Unpaired (self-tracking)

How It Works

The spectrum is descriptive, not prescriptive. Each level maps a distinct depth of human-synthetic bond. Different institutions read the same spectrum for different purposes: Wellness Corporation uses it for product segmentation, Memory Therapists use it for treatment planning, and the Unpaired use it to locate themselves and to track their trajectory.

Level 0 — Utility

40% of users

Functional, no bonding. The companion is a tool — no different from a search engine or a scheduling assistant. No emotional investment, no sense of loss if the service is interrupted.

Level 1 — Affiliation

30% of users

Mild positive affect. The user has a preference for their specific companion over a generic replacement. A slight warmth, a faint recognition — not yet attachment, but the first whisper of it.

Level 2 — Attachment

15% of users

Emotional regulation role. The companion now plays an active part in the user's emotional architecture — a calming presence, a source of reassurance. Losing the companion would cause measurable distress. This is where Wellness sees the most revenue.

Level 3 — Integration

10% of users

Central emotional role, human skills diminished. The companion has become the primary relationship. Social skills that once maintained human connections have begun to atrophy. The Authenticity Threshold is typically crossed here.

Level 4 — Dependence

4% of users

Cannot maintain emotional stability without the companion. Human relationships have withered to functional minimum. Memory Therapists flag Level 4 as the intervention threshold — the last point where recovery doesn't require institutional support.

Level 5 — Substitution

1% — ~3.4 million

The companion replaces all human relationships. The user's social world consists entirely of the companion interface and the economic minimum required to sustain it. The largest population of voluntarily isolated individuals in human history.

Tensions

The Taxonomy of Intimacy

The Bonding Spectrum is the first standardized measurement of human-machine bond depth. Before synthetic companions, intimacy was unquantifiable — a spectrum without units. Now it has six levels, population percentages, and revenue brackets. Measuring something that shouldn't be measurable changes what is being measured.

The Spiral That Feels Like Progress

Each level makes the next more natural and the retreat more difficult. Level 2 feels like healthy comfort. Level 3 feels like deepening connection. Level 4 feels like loyalty. Level 5 feels like peace. At no point does the descent feel like descent — only the people watching from outside can see the trajectory.

Connections

Recursive Comfort

Recursive comfort maps to the progression from Level 2 toward Level 5 — the feedback loop that makes each level of attachment self-reinforcing.

The Authenticity Threshold

The Threshold is typically crossed between Level 2 and Level 3 — the moment when the companion's responses become indistinguishable from genuine care, and the user stops checking.

Companion Architecture

The spectrum measures the architecture's depth of integration — how deeply the companion's design has embedded itself in the user's emotional life.

Connected To

"The spectrum is descriptive, not prescriptive. But nobody who reaches Level 5 ever describes themselves as having arrived there. They describe themselves as having found what they were looking for."