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Haters don't need explanation.  They just do what they want to do, say what they want to say, hate what they want to hate.  Trying to explain things to them when they don't want to listen is just wasting your time.  Those who cares will try to understand without you asking them.

There's no need to explain.

I don't know but lately I'm really lazy to talk, when some people ask me why I did that.  Even I tried to explain, I'm not good with words and they don't want to understand.  So I just let them be.