The Reddening
The last colour is not the end of feeling but its return: heat, desire and engagement with the world at cost. The descent happened to you. The return does not, which is why it is harder.
Rubedo
The tradition described this stage through images rather than symptoms: the union of opposites, the red stone, the king who returns.
Rubedo
It is the stage most often claimed and least often reached, so there is no checklist for it here.
Educational and historical, not medical advice. If you are struggling, contact a licensed professional or a crisis line in your country (findahelpline.com).
The full guide
Every episode of the stage, its operations, and how to tell it from what imitates it.