We often talk about emotional and physical infidelity, but there's a sneakier, often more destructive betrayal brewing in the secrecy of bank accounts and credit card statements: financial infidelity.

"Your biggest fears about him were exposed." ...

We judge people by their actions, including their spending habits. We use labels like stingy, irresponsible, generous, poor, immoral, or successful—all based on how someone spends money or how much ...