Partners are not expected to have secrets from one another.
Kelly has a shopping addiction and one of her friends just invited her to go to the mall.
Kelly wants a new pair of shoes.
Kelly calls her husband to ask if she can buy a pair of new shoes at the mall, and he agrees if they're under 100 dollars.
Kelly purchases an expensive pair of new shoes using a credit card that she keeps hidden from her husband.
Kelly buys the shoes and her husband is okay with the purchase.
Kelly racks up debt and ends up ruining her credit score and preventing her family from buying a house.