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"You're probably well aware; The universe is believed to exist in four dimensions. It actually exists in many more, but for those locked in cages of flesh, it really only exists in three.
Think about it, time doesn't exist, at least not in the sense you think of it. There are only two instances of times, and they are both instantaneous.

The first instance is called the 'Antecedent Moment', and it refers to the last moment of time that had just passed. It actually doesn't exist, but because of the phenomenon of memory, it forges a sense of the 'past'. Our memories consist of the stacking of antecedent moments, and we only know of the 'past' as a sum of them because we have the ability to make sense of these instances.

The second instance is called the 'Current Moment', and this refers to the moment that all events occur during. It also refers to the only frame that any real 'time' exists in. These two together, and the physical three-dimensional world are all that human minds can perceive, but that doesn't stop us from envisioning other possibilities. That's why we can see time as a line, rather than a string of instants"

Does he really expect me to wrap my head around that? That's not even what I asked. Maybe I should just nod and smile.

"I can tell I'm losing you, but do not fret, Ryerson, I'll answer your queries yet. Before that, however, let me introduce myself. I am Morpheus, think of me as a shepherd of your inner self, your dreaming self. The part of you that exists in the other world. You wanted to know where you are, and you wanted to absolve your concern over your slipping reality - I am here to help you with that.

The first thing I want to let you know is that here, in this recess of the mind, know that the confines of time and dimensions are broken, and that is why you have been experiencing a twisted form of reality."

I guess I'll buy that, for now. "Where is here, again?"

"You are in your mind, in-between the awake and dreaming worlds. You are stuck here, in dreamless sleep, and that is why I have come to rescue you."

What? "Why am I here?"

"You are in a coma. You have been for a few years."

A coma? This is the first I've heard of it. "How?"

Then he told me that I was poisoned. Intentionally.