the.com/vacillation
The art of standing perfectly still while your mind sprints in both directions.
means Wavering between two choices, unable to commit, swinging back and forth without deciding.
from From Latin vacillare, to sway or totter — the same wobble of a loose tooth or an unsteady table, now relocated to the indecisive mind.
Physical rootsOnce described literal swaying before going mental.
Cousin wordOscillation shares its hesitant, back-and-forth DNA.
Hamlet's flawShakespeare built a tragedy on it.