The existence of a mirror universe
In a "mirror" universe time runs backwards, how? Why? Because there are two universes bound together not by space, but by TIME. Yes the "mirror" universe is bound to our universe by a point of time, this point of time is the big bang our universe started by the big bang, their universe ends with it. Thier universe begins with the end of the universe while ours ends with it. May be a little confusing, but think about it. So in that universe evrything would be the opposite of ours, positive would be negative, spicy will ne sweet, tall will be short. If this is true, we supposedly will be reborn in a universe where time runs backwards and everything will be the opposite of our previous life. That means you will begin your life as an adult and end it as a child, and this cycle of two universe bound side by side, now imagine to physical things bound side by side, imagine an...event, a period of time side by side, they both end simultaneously and begin simultaneously.