Spilling is contents escaping their vessel — the held liquid loosed across the table, the surface, the lap. It names small losses of composure made visible: the tipped cup staining the moment, and the crying-over-spilled-milk injunction to release what cannot be re-contained.
Positive Resonance
The spill wiped, the mess minor, the lesson to release what's lost
Shadow Aspect
The stain spreading, composure spilled with the contents
Nuances
Knocking over the cup: composure's small accident
The stain spreading: the spill's consequence widening
Crying over spilled milk: the lost mourned pointlessly