We often look to celebrity couples either to make our own relationships look stable or, less often, as models of remarkable love and odds-defying longevity. Think of Kurt Russell and Goldie Hawn, Oprah and Steadman, Freddie Prinze Jr and Sarah Michelle Gellar. They've all been together so long, you can't imagine them being apart, right?
They have nothing on Bibi and Poldi, however.