Philia – Friend bond: Philia is the love between friends as close as siblings in strength and duration. Lewis describes it as a dependency-based love which risks extinction if the needs cease to be met. It is described as the most natural, emotive, and widely diffused of loves: It is natural in that it is present without coercion, emotive because it is the result of fondness due to familiarity, and most widely diffused because it pays the least attention to those characteristics deemed 'valuable' or worthy of love and, as a result, is able to transcend most discriminating factors. An example is the natural love and affection of a parent for their child. Storge – Empathy bond: Storge is liking someone through the fondness of familiarity, family members or people who relate in familiar ways that have otherwise found themselves bonded by chance. However he swiftly happened on the insight that the natures of even these basic categorizations of love are more complicated than they at first seemed: a child's need for parental comfort is a necessity, not a selfish indulgence, while conversely parental Gift-love in excessive form can be a perversion of its own. John's words 'God is Love', Lewis initially thought to contrast 'Need-love' (such as the love of a child for its mother) and 'Gift-love' (epitomized by God's love for humanity), to the disparagement of the former. The book was based on a set of radio talks from 1958. Lewis which explores the nature of love from a Christian and philosophical perspective through thought experiments.

Agape love cs lewis