The phrase "to love each other" means to have a deep affection, care and respect for one another in a romantic or platonic relationship. Full definition
Dogs love other dogs even more than they love humans (most of the time). (bluebuffalo.com)
Interracial couple is capable of loving each other as deeply as the normal couple this is because of different race and the opportunity to see the beauty of life. (articlesfactory.com)
That the value in loving other people could itself be seen as spiritual. (nakedpastor.com)