“Then use the backup card,” Colin snapped. The waiter swallowed. “Sir, all linked cards have been cancelled or restricted.” Isabelle slowly removed the emerald necklace. Their evening’s total had reached an unbelievable $730,000, and Colin suddenly had no way to pay it.

Across town, I sat at Dad’s kitchen table while fraud alerts flooded my phone. Attempt declined. Card restricted. Merchant: Halcyon House. Dad calmly poured two coffees and placed a battered leather folder between us. Then he asked, “How many of those ten cards shared the same PIN?” My stomach dropped. For years, I’d used my late mother’s birthday on several accounts. I’d never told Colin the number, but he’d watched me enter it countless times. Dad opened the folder. “He didn’t need you to tell him,” he said. “You showed him one tap at a time.” Then he revealed why he’d insisted I change everything immediately.