sateen dura luxe

i wonder about the archival quality of the pigments i've used in most of my work. most of my newsprint drawings have yellowed already - but when will the paintings start to fall apart? i hope it happens sometime in my lifetime, so that i can watch it all come apart. if dick blick scholastic grade acrylic is the new sateen dura luxe, i might spare myself the embarassment of ever becoming a painter.