Financial infidelity is one of those things that most people don't even realize they need to be thinking about. It doesn't usually show up in obvious or dramatic ways, and because of that, it often goes unnoticed for far longer than it should.

On the surface, everything can look completely normal—bills are getting paid, life is moving forward—but underneath, there can be a very different story developing. And that gap between what's visible and what's actually happening is where the real risk lives.