The affection is mainly biological factor. Then further sort of strengthening, that religion helps.
Dalai LamaGenerally speaking, if a human being never shows anger, then I think something's wrong. He's not right in the brain.
Dalai LamaThe very purpose of our life is happiness, which is sustained by hope. We have no guarantee about the future, but we exist in the hope of something better. Hope means keeping going, thinking, ‘I can do this.’ It brings inner strength, self-confidence , the ability to do what you do honestly, truthfully and transparently.
Dalai Lama