Themes
The greatest thing you'll ever learn is just to love and be loved in return.
— Christian • Moulin Rouge!
Behind the line May contain spoilers.
Our reading
An editorial interpretation.
Love is presented as the best lesson there is, and it has two parts: giving love and receiving it back. The phrasing 'in return' stresses that the lesson is mutual, not just a matter of feeling something alone.
Context reviewed