Books
Absence is to love as wind to fire; it extinguishes the little flame, it fans the big.
— Umberto Eco · The Island of the Day Before

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
Wind can put out a small fire or make a large one burn more strongly. Distance is said to act the same way on love. The contrast suggests that time apart reveals the strength of a bond by either weakening or deepening it.
Context reviewed