The affection is mainly biological factor. Then further sort of strengthening, that religion helps.
Dalai LamaJust as compassion is the wish that all sentient beings be free of suffering, loving-kindness is the wish that all may enjoy happiness.
Dalai LamaIf you can cultivate wholesome mental states prior to sleep and allow them to continue right into sleep without getting distracted, then sleep itself becomes wholesome.
Dalai Lama