Il faut savoir

The lyrics describe the painful end of a love relationship. The speaker repeats that a person should leave with dignity when happiness and love have faded: smile, hide sadness, and go without making a scene. But the repeated advice contrasts with the speaker’s own feelings. They still love the other person too deeply to follow it, so the song moves from controlled advice toward an honest admission of helplessness.

Several expressions make this contrast vivid. “When the best has withdrawn” suggests that the good part of life or love has already passed, leaving only hardship. “Leave the table when love has been served away” compares a relationship to a meal that is over: there is nothing more to receive, so it may be time to leave. The “mask of everyday life” means appearing normal while hiding pain, while “keep a stiff upper face” or “keep one’s composure” captures the pressure to seem calm.

The repeated phrase “one must know how” sounds like a firm rule, but the final lines weaken that certainty. The speaker understands what a dignified farewell might require, yet cannot manage it because of love. This could be read as a confession of emotional dependence, or simply as a deeply human inability to control grief. The lyrics do not show whether the speaker will eventually leave; they end with that unresolved tension.