PhronesisChronic bitterness — the sustained, corrosive orientation of grievance, resentment, and sourness that colors all experience through a lens of having been wronged — is here formally reconceptualized as a wrong attractor W_CB in the landscape of equanimous strength. The healthy ground state S^0 is defined as equanimous strength: the capacity to have been genuinely wronged without that wrong becoming the organizing principle of one's identity and experience — neither denying the injury nor being captured by it.
W_CB is rigorously distinguished from appropriate resentment (contextual and time-limited), grief (oriented toward loss rather than grievance), and healthy anger (which retains forward momentum). Three interlocking mechanisms maintain the basin: wound-as-identity (bitterness organizes as an identity — the bitter person is not someone who was wronged but someone who was wronged; the injury becomes the stable organizing feature of self-understanding; D(ξ) is generated by any experience threatening to dissolve this organizing wound), poisoned-memory architecture (bitterness selectively rewrites memory and perception — past experiences reinterpreted to confirm the injustice narrative; present experiences filtered to confirm ongoing wrongedness; future possibilities pre-dismissed; the lens becomes self-sealing), and grievance maintenance (bitterness is actively maintained through rehearsal — retelling, seeking validation, rejecting repair as insufficient; repair is rejected not because inadequate but because accepting it would dissolve the organizing structure).
The Justice Paradox is central: chronic bitterness reliably produces the injustice it is organized to protest — the bitter person who cannot move past their wound becomes the source of their own ongoing harm, poisoning relationships and foreclosing possibilities while living primarily in relation to a past wound rather than a present life. Nine formal propositions characterize the equanimous strength ground state, the injustice-consolidation wrong attractor, the three maintenance mechanisms, the justice paradox, developmental roots in unacknowledged real injury, and return paths through forgiveness work, narrative therapy, ACT, and self-compassion.