Trust
Sometimes this kind of a prank can be the ultimatum that a couple needs to see where they stand with one another but it is not something that would be regarded as healthy. Having trust in your partner and being open and honest is the only way to deal with issues like this in a healthy manner.
Thankfully for this paranoid woman, her insecure prank didn’t tank her marriage but who’s to say how long it lasted after displaying her manipulative behaviors.