Why was cole second attempt to live on the island more challenge than the first?

Cole's second attempt to live on the island was more challenging than the first due to his deeper emotional struggles and the weight of his past actions. During his first stay, he was primarily focused on survival and resisting his circumstances, but upon returning, he confronted the consequences of his behavior and the need for genuine change. This internal conflict made it harder for him to adapt and find peace, as he grAppled with guilt and the desire for redemption. The island, while still a physical challenge, became a backdrop for his emotional journey, intensifying his struggle.