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NO need to curse?

Who determines where there is a need?

You?
Fuck off !!

I use words as I see fit.

This does not at all mean that I have animosity towards you personally. It simply means that the situation induced emotion and passion where the utilization of profanity was an instinctive and fitting action.

You DO exist as a valuable element here. However an opinion need not align with what you in your mind believe yourself to be acceptable or non-acceptable treatment towards an individual in your position.