the.com/showtime

The moment pressure becomes performance and excuses become irrelevant.

means The moment a performance or event actually begins — when preparation ends and the real thing starts.

from A straightforward compound of 'show' (a public performance or spectacle, traced back to Old English 'sceawian,' to look or see) and 'time.' It surfaced in English as entertainment-industry jargon, the cue called out backstage when curtains rise or cameras roll, and from there leapt into sports, business, and ordinary speech as shorthand for the instant talk must become action.

origin
circus barkers yelling it before the big act
psychology
adrenaline reframes fear as focus, not panic
sports use
Magic Johnson's Lakers era literally named an offense
truth
preparation ends the second this word starts
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