How do you tell the difference between sadomasochism and abuse? I mean because isn't being a sadist

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How do you tell the difference between sadomasochism and abuse? I mean because isn't being a sadist
How do you tell the difference between sadomasochism and abuse? I mean because isn't being a sadist
How do you tell the difference between sadomasochism and abuse? I mean because isn't being a sadist