My use of "wash away" is more like "transform from unstated feeling to stated feeling with new analysis minimizing bias, for future decisions". It's not a suppression, it's a making stated what was unstated before. It's an attempt at self honesty.
"Fighting and hiding emotions is counterproductive if your goal is clarity and internal harmony" is a life-lesson that took me all too long to learn, so I'm a bit militant about pushing back on the "fight/hide/ignore" approach to this.