If you love someone, set them free. If they come back they’re yours if they don’t they never were.

The saying frames love as incompatible with possession: genuine affection respects the other person’s autonomy and does not rely on control, coercion, or guilt to keep someone close. “Setting free” functions as a test of whether a bond is mutual and voluntary; if someone returns, it suggests chosen commitment rather than captivity. If they do not, the aphorism implies the relationship was never truly reciprocal in the first place—at least not in the sense of freely given devotion. The quote’s popularity reflects modern ideals of self-determination in relationships, though its stark either/or logic can oversimplify the complex reasons people leave or return.