Another one for the incel movement (a section of men's rights activists who claim to be celibate against their will and frequently engage in terrorist acts in protest):
I don't relate. We've all been turned down before, felt rejected by the world. I've attempted suicide more than once myself. But you know what, I've never been tempted to go on a shooting rampage over rejection because I have tended to blame myself more than others when that's happened to me....on Friday, the authorities said, he shot two women to death and injured five other people at a Florida yoga studio before killing himself.
...
He identified with “involuntary celibates” and told personal stories of rejection, naming multiple girls who he said had wronged him.
“Made one date, didn’t show up,” he said of one woman. “Made another date, didn’t show up. Kept making excuses. Ah, I could’ve ripped her head off.”