Hate-Love is the most rational attitude to one's person, relatives/familly, friends, nation, culture or thing. I've always tried to follow this path in every issue. I cannot only like something, I have to also, hate it. Balance between feeling of love and feeling of hate, brings a positive, sober attitude. I can say, that I have Hassliebie feeling towards all important things, countries, nations and cultures I am interested with. Starting from Germans, Russians (our "eternal enemies"), ending on Turks, Jews, Americans or French.
If you hate something, then this thing is important to you. From hate to love and vice versa is very short distance.
To truly hate something is to ignore it. I ignore those and these thing, whom and which I hate, I consider them, as they have never existed, though it's hard sometimes. This is the most rational from a mental point of view, attitude. So, if you ignore something, it means that you hate it. This is the true hate, not the Hate-Love.
Only these who love and who hate in 100%, really understand what Love and what Hate, does mean.