When you strip the noise away, the real question is simple: when cash flow and accrual earnings diverge persistently, the cash flow is usually right. Desk note: Accrual accounting gives management discretion. Cash flow is harder to fake because it tracks actual money entering and leaving the business. Why investors care: A persistent gap where earnings lead and cash flow lags is a classic prelude to restatement or write-down. Translate it into behavior: If a company reports record net income but operating cash flow has been flat or negative for multiple quarters, something in the accrual chain is likely being stretched. Where people usually get tripped up: The mistake is treating occasional divergence as alarming. The signal is in persistence and magnitude, not in single-quarter noise. Keep this nearby on the next review: Write down the state variable you would monitor first if this thesis started to drift. The point is not to memorize the label. The point is to know what variable is actually doing the work.