There are number of feelings we can feel along with other advanced life forms but kindness is a feeling and each is associated with benefits of that particular life form as evolution made it. Kindness is unique among all as it only do good of others. This is feeling by which God gives proof of its existence.
There are number of examples are there in which one animal feed on other and still they are friends. There are number of examples that if mother of one species animal die, their children are cared by other species. Each feeling is associated with particular molecule and it is created by evolution but feeling of kindness is out of understanding in evolution point of view.Be Kind…Be Human