Cuentas Conmigo (Temporada 2) - Episodio 6 (past tense)

The transcript narrates a story about Thor, who experiences sadness due to his best friend, Pitbull, leaving for Cuba due to an emergency. Initially, there is confusion about the identity of Thor's best friend, but it is clarified to be Pitbull, the dog. Thor finds a letter from Pitbull explaining the situation, which leads to Thor's sadness. The narrative explores Thor's emotional journey and his decision to go to Cuba to find Pitbull.

Why did Pitbull have to go back to Cuba?

Did Thor go to Cuba to look for Pitbull? Explain your answer.