I can't say I don't love you, and Also I can't say I love you. What I can say is this: I don't hate you. I have passed the stage of love and hate. Now you are for me like a strange person; one that I no longer wish for him a happy life and good luck for no more . :)

Sounds like you had to get something off of your chest! A very nice practice all the same. A nice read as well. The first three sentences flow very nicely and are well done. The fourth and last sentence, although correct, was worded oddly for English in your original text. At least with American English, sentences are more straight forward and clear. Maybe you could read more from native English speakers to better get a feel for this. 

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Good luck with your English studies!