Assuming that PREtending is what came before - what exactly would be the meaning of 'tending'. And, dare I ask, what would POSTtending be?
Think of a reel of motion picture film. Each frame is a lifetime, but all of them exist at once. If you run it through the projector of human consciousness you create the illusion of continuity, but if you think of the reel wound just so, some of the frames touch other frames. From one frame through another, any frame can be reached, but all of them exist at once.