Here are some classic ways humans can get some kind of social credit with other humans: Do something for them such that they will consider themselves to ‘owe you’ and do something for you in future Be consistent and nice, so that they will consider you ‘trustworthy’ and do cooperative activities with you that would be bad for them if you might defect Be impressive, so that they will accord you ‘status’ and give you power in group social interactions Do things they like or approve of, so that th...