

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. at the time for their frankness about sex. The book was based on a set of radio talks from 1958 which had been criticised in the U.S.

Lewis which explores the nature of love from a Christian and philosophical perspective through thought experiments.
