Do I have the right to say no if someone wants to share hurtful behavior with me?

THAT WASN'T MY QUESTION. AI CHANGED IT. WHAT I ASKED IS IF SOMEONE IS ABOUT TO SHARE SOMETHING BAD THAT THEY DO, DON'T YOU HAVE A RIGHT TO SAY NO, PLEASE DON'T SHARE THAT WITH ME?

Especially if they are about to tell you that theydo things that were hurtful to you in your past.
Sometimes it's just too much information!
Do I have the right to say no if someone wants to share hurtful behavior with me?
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