The problem with Lacan, Zizek and romanticism as a whole is that they believe one can demand the impossible from a PERSON as from a cause, which is never true. Human relationship is about voluntary consensus and mutuality. Never run after anyone who doesn't give you a thought.
It’s an Argentine guy who feels lost with sex love family and life, with his ex boyfriend, who left him not for before, his daughter, who is leaving for university, his mom, who died later in the movie and his ex wife, who has another man now.