How the three become a loop

The three inputs would be hard enough on their own. What makes this stick is what happens next, which is a loop that feeds itself. Follow it round once. And note what is not on it: the emergency state from lesson one is a different mechanism and is not the severe end of this cycle.

Fragmented sleepHarder to steadyyour moodLow mood, images ofharmShame: good mothersdo notTell nobody, seenobody
Postpartum psychosis is not on this loop. It is a different mechanism and an emergency. The diagram shows a loop running through: Fragmented sleep, then Harder to steady your mood, then Low mood, images of harm, then Shame: good mothers do not, then Tell nobody, see nobody.