A feeling is not a switch that is on or off — it moves. Five things about how affect behaves over time, each one the lesson of a curve in The Curve.
🌊 Duration — it passes
Left alone, a feeling drifts back toward the quiet middle. A peak is precisely the part that does not last — which is exactly what the mind gets wrong at 3am.
⚓ Inertia — how long it carries
Inertia is how much a feeling carries into the next moment. High inertia means the same event lingers for days; low inertia means it is shaken off by lunch. It is a property of how your feelings move, not weakness or strength.
↗ Transitions — one thing can move it
A single event can transition the whole curve — one message on a flat day. But notice the curve still drifts back after; nothing stays at the peak, good or bad.
🧱 Stacking — recovering matters
A second hit before you have recovered from the first stacks — the curve had not returned to baseline, so it goes lower. This is why "I just need to get through today" is often literally true.
🌙 The sleep reset
Sleep gives the curve a stronger pull back toward the middle than the hours alone do. "Sleep on it" is not avoidance — it is using how the feeling actually behaves.
When a tide is not a tide
All of this describes a feeling that MOVES. If a hard feeling keeps returning at full height, night after night, and does not ebb, that is a pattern, not a passing tide — and the move is to take it to someone you trust. The crisis resources below are always one tap away.
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