Where does it begin?

"...but if you send the information to your younger self, because you as the younger self received the information from your older self, where does it begin? Does it even have a beginning? Some call it a loop, but is it really? What if it's just a line? Every action we take, every decision splits off another universe, and another and another, so you're not looping, you're just splitting off more and more universes. Isn't that crazy? How can we even comprehend the sheer size, the magnitude of it?"

"Dunno, but you gotta comprehend Mister Forelli still didn't get paid."