One of these thoughts would be that, regardless of your age, you still cannot fully and confidently close your eyes during the shampooing process, and frequently try to open them, in the fear that a monster and the like will suddenly appear in the bathtub, or you will find yourself in the middle of a vast cemetery.
When you are naked and under warm water, you are as intimate and tranparent with your thoughts than ever. Physically, you’re stripped to the core and you got rid of layers and layers of distractions with water and then mentally, it follows. No filter.