Here is a sampler platter of things evolution can account for, other than the fact that we are intentional agents with reward systems.Evolution accounts for guilt, sympathy, anger, trust, and gratitude:http://www.cdnresearch.net/pubs/others/trivers_1971_recip.pdfEvolution accounts for revenge and forgiveness:https://www.dropbox.com/s/n5i80tt57crwf2f/2013%20McCullough%20et%20al%20BBS%20target.pdfEv