Limited knowledge man here so here a little google
Endorphins are the body’s natural painkillers. Endorphins are released by the hypothalamus and pituitary gland in response to pain or stress, this group of peptide hormones both relieves pain and creates a general feeling of well-being.
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Youre applying logic to the situation, they do not, plenty of cognitive dissonance.
I think if they paint themselves as the victim then they can do no wrong, seems to be working for them too