[watwut]

If someone complains a lot and often and typically about same set of thing, it is pretty easy to guess they are annoyed about that set of things. They feelings are no mystery, they feel bad about thing they complain about.

The unpredictable thing here were consequences - that she will act at her feelings eventually instead of just experiencing them. And it basically what he writes about in the article, that she eventually figured out her feelings don't matter to him and interpreted situation as such. And then it was too late to fix anything.