>>10646725 >sufFeriNg ExIstS OnlY becauSE it Was good foR oUR GeNES. CoNDItIoNaLLY-acTIvAted NegatIVE emotIOnS WERE fitnesS-ENHAncing IN THE AnCESTraL EnVIROnmEnT. in thE curRENT Era, ApolOgIsTs foR meNTAL PAin aRe sErvIng AS thE innOcenT mOuThPiEcES oF THE NaSty biTS oF cODe wHiCH SPawnED tHeM.