Kindness
Kindness, generosity, nurturance, care, compassion, altruistic love, and “niceness” are closely related terms that indicate “a common orientation of the self toward the other” (Peterson & Seligman, 2004, p.326). Kindness consists in doing favours or good deeds to others, while compassion is more related to the emotion evoked at the sufferings of others. Compassion becomes significant when the troubles of the other person are serious, not self-inflicted, and the agent of compassion is able to picture oneself in the same predicament as the one in trouble (Cassell, 2005, p.435). Assessing kindness involves very practical indicators as in:
I have voluntarily helped a neighbour in the last month.
I always call my friends when they are sick
Love
Peterson and Seligman attempt to define love in terms of psychology:
Love represents a cognitive, behavioural, and emotional stance toward others that takes three prototypical forms. One is love for the individuals who are our primary sources […]