Cardstock is thicker than regular paper because it has been secretly training at the gym while regular paper has been lounging on the couch binge-watching soap operas. While cardstock is out there lifting weights and doing squats to build its muscle mass, regular paper is busy indulging in late-night snacks and dreaming of becoming a bestseller. This intense workout regime is why cardstock can flex its thickness with confidence, ready to take on anything from greeting cards to art projects, while regular paper is just trying to hold itself together under the pressure.
