Often used in meaning you have created
the situation yourself and you should suffer for it for your own
stupidity. Conservatives love to use it and imply it's a lack of 'personal responsibility' for the person under going the hardship or bad situation. It can also tie into darwinism and the idea it's survival of the most
fit or having the most prepared minds.
A
guy tells a woman online that he
got divorced and
now has to pay child support. She says, it's your own fault for not getting to know her better and it sucks to be you!