Physically sealing a proposal inside an envelope prevents buyer's remorse

Closing a deal does not end when a client signs; lingering doubt can easily unravel the agreement. Psychological research led by Dilip Soman revealed that physically placing a document inside an envelope and sealing it shut dramatically reduces attachment to alternative options and silences regret. This physical barrier triggers an embodied cognitive reset: the brain registers the decision as finalized and permanently off the table, protecting against post-meeting second-guessing.

Sources

• Sealing the deal: physical enclosure promotes emotional closurePubMed ↗
• Embodied cognitionWikipedia ↗