Why does my ex hate me so much?

Answer 1

I think it means that he hates you. Hatred (or hate) is an intense feeling of dislike. I have looked up a few more articles on the subject in Wikipedia and they all seem to come to the same conclusion.

Philosophical views

Philosophers have offered many influential definitions of hatred. René Descartes viewed hate as an awareness that something is bad combined with an urge to withdraw from it. Baruch Spinoza defined hate as a type of pain that is due to an external cause. Aristotle viewed hate as a desire for the annihilation of an object that is incurable by time. Finally, David Hume believed that hate is an irreducible feeling that is not definable at all.

Psychoanalytic views

In psychoanalysis, Sigmund Freud defined hate as an ego state that wishes to destroy the source of its unhappiness. More recently, the Penguin Dictionary of Psychology defines hate as a "deep, enduring, intense emotion expressing animosity, anger, and hostility towards a person, group, or object. Because hatred is believed to be long-lasting, many psychologists consider it to be more of an attitude or disposition than a temporary emotional state.

Neurological research

The neural correlates of hate have been investigated with an fMRI procedure. In this experiment, people had their brains scanned while viewing pictures of people they hated. The results showed increased activity in the medial frontal gyrus, right putamen, bilaterally in the premotor cortex, in the frontal pole, and bilaterally in the medial insula of the human brain. The researchers concluded that there is a distinct pattern of brain activity that occurs when people are experiencing hatred.

Judging from this I would say that your ex would be glad to see the back of you.

Answer 2

Forgive me for being direct; my hope is that I am not inappropriate. The fact that you are so concerned about this and that you are asking it should give you a clue to the answer. You and your ex have ended your relationship. This means that something, on some level, and probably something significant, got in the way of your relationship. The relationship is over, perhaps it is not quite as over for you as it should be.

Your concern and presumed stress is coming across to your ex, and you are translating your ex's reaction as hate. The question is: why would you even be in close enough contact for your stress to affect your ex, and for you to be aware of your ex's presumed hate? Is it possible that your ex would really like to just get on with life, and that you may be showing signs of unwillingness to do that? There seems to be an unhealthy thing going on, and it might be a kind of unhealthy co-dependence on your part or perhaps for both of you.

Get on with life. It is what it is. Continue to dwell on something that you can't have, and you are going to have a completely miserable life.