"[1] [2] The song, which shows a "certain maturity" in the writing, has an "emotional expressiveness which depicts the dilemma of a love that doesn't want to be possessive".

[3] The song is included on several of Goldman's albums, such as Traces, Intégrale and Singulier (best of), Du New Morning au Zénith and Un tour ensemble (in live versions).

"Puisque tu pars" was covered by Jean-Félix Lalanne in 1990, by Michael Lecler in 1996 (instrumental version), by Les Fous Chantants in 2000 (features on the album 1 000 choristes rendent hommage à Jean-Jacques Goldman, by Le Collège de l'Estérel in 2002, and by Les 500 Choristes in 2006 (for the compilation of the same name, eighth track).

[4] The song was also covered in Mandarin Chinese by Taiwanese singer Tracy Huang in 1990 under the title "讓愛自由", which translates to "Let Love Be Free".

In France, "Puisque tu pars" went straight to number 23 on the chart edition of 16 July 1988 and reached the top ten two weeks later, peaked for three non consecutive weeks at number three, remaining behind the two summer hits "Nuit de folie" and "Un roman d'amitié (Friend You Give Me a Reason)".