I concur with what Snodderly said, this has been my experience as well, and there are a lot of similarities between our W's early experiences and the "trigger" (with W it was her dad dying and the past s/a, lack of validation, emotional abandonment, etc).
T^2
In the depths of winter, I finally learned that within me there lay an invincible summer. - Albert Camus
Uncertainty is the very condition which impels people to unfold their powers.-Eric Fromm