×
Login Register an account
Top Submissions Explore Upgoat Search Random Subverse Random Post Colorize! Site Rules Donate
8
1 comments block

Hard wired to care for kin so indicators of kinship such as appearance and even smell illicit prosocial neurological responses. Those who are unlike kin are seen as a potential threat to your kin or a potential resource to use to help your own kin. Makes perfect sense