One of the most striking sections of the letter addressed Messi's future in soccer. The Argentine star disclosed that his father's death has prompted questions about whether to continue his career. "I don't know what I'll do without you, I don't know how to go on. All I've ever done is play soccer, and now I have quite a few doubts about whether I'll continue doing it for much longer," he wrote. Messi added: "You were by my side from the beginning; there was so little left until the end.