Lol!!! I'm not sure how they "get rid of" things.

Is the sadism based on anger? When you expose your sadism how does it make you feel?
The sadist I know tells me the high he gets from it is better than any drug he's ever had...& he's done his fair share. It also brings him great peace & clarity. I'm wondering what scares you?

And what have you read about this?
Can you dig a bit deeper as to why you wanto inflict pain? How would this make you feel? What reaction would you have from this? Where would it take you? There's more than just inflicting pain. Do you want pain inflicted as justice from something in your own life? If you could do this what feeling r you trying to release?
There's many different types of sadism too. Emotional, physical, predicament, psychological etc etc. Maybe you do need to talk to others that actually practice this fetish, safely & learn to work with your blocks instead of banning them.