No eres tú, soy yo (English: It's not you, it's me) is a 2010 Mexican romantic comedy directed by Alejandro Springall starring Eugenio Derbez, Alejandra Barros and Martina García and based on the Argentinean film No sos vos, soy yo (2004), written by Juan Taratuto. It was produced by Matthias Eherenberg and filmed in Mexico City.
The script was written by Luis Dawn and shows the experiences of Javier Herrera, an unlucky cardiovascular surgeon who, after being left by his wife María, must fight the problems of his love life upon not being able easily to forget his former mate. In the end, he meets Julia, an unmarried mother who works in a pet shop, with whom he falls in love and who helps him to bear his separation. No eres tú, soy yo was released 27 August 2010 in México.
Javier Herrera (Eugenio Derbez) is a man in love whose world comes crashing down shortly after his wedding when his wife, María (Alejandra Barros) tells him that she loves someone else. He must start over completely, with no money and no job, and a totally empty apartment. He tries esoteric therapies and even adopts a dog to attract women, but to no avail: Javier only remembers his ex- wife. Enter Julia (Martina García), a free-spirited young woman willing to be his friend unconditionally, if only Javier could forget Maria.