Girls, If I don't want kids, does it matter if I hurt my testicles for fun?

I have never cut myself or done self harm in the traditional sort of way. I do however squeeze my nuts with plyers until they are almost flattened. The pain is very exciting to me, not in a sexual way. It hurts so much that I feel alive as crazy as that sounds.

Is that dangerous? Physically or mentally? I don't want to seek help from a therapist so don't bother suggesting it please

Girls, If I don't want kids, does it matter if I hurt my testicles for fun?
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