The 90-Day Polygraph: When Everything in Business Shows Its True Form

You can pick a new vendor or agency, and the first month will look immaculate. Perfect decks. Charming calls. Everyone “aligned.” By month three, you find out whether they can actually deliver anything beyond enthusiasm.

Hiring works the same way. Month one is onboarding and optimism. Month two is settling in. Month three is the moment you finally see whether you’ve hired someone who moves the business forward or someone who just moves meetings around.

Contracts follow the same pattern. Everything looks airtight when it’s signed. The issues only appear once both sides have been living with the terms for a few billing cycles.

New products and features are no different. The launch is noise. Month three tells you whether customers actually care.

Most of the big levers behave this way.

Three months into a new CRM and you finally know if the sales team will use it.

Three months into a transformation programme and you know whether the leadership team is serious or simply performing compliance.

Three months into a new pricing strategy and you learn whether customers accept the value or quietly drift to a competitor.

Three months into a PE investment and you can already tell whether management can keep pace with the plan or if you’ve inherited a polite version of resistance.

There’s something about that timeframe that strips away the story and shows you the substance. Too early for theatre to hold. Too late for excuses to land.

People spend weeks trying to build perfect evaluation frameworks. The reality is simpler: work with someone for ninety days and the truth arrives on time, every time.