Because there are hundreds of different ways to say one thing, I, being a writer, songwriter, and poet, speak childishly and incoherently. In speech there is so much to decide in so little time.
When something horrible happens, your brain doesn't process the memories right. It stores everything-- sounds, pain, smells, feelings-- all mixed up. It doesn't matter if you believed it or it made sense; it gets stored.
Latent brain functions can be enabled by force majeure when we are facing the weirdness of an unknown reality.