The quote reflects the process of emotional detachment due to repeated hurt. "Someone you care about has to hurt you" implies harm from a close individual. "Finally don't care" signifies the resulting emotional distance. The quote conveys the gradual erosion of caring due to enduring pain.
The quote underscores the threshold of resilience. It highlights the accumulation of hurt. "Finally don't care" conveys the emotional defense mechanism that arises when caring transforms into self-preservation against further hurt.
In essence, the quote speaks to the impact of persistent pain on caring. It emphasizes the emotional toll of ongoing hurt and the eventual numbing effect it can have. The quote captures the process of emotional self-protection that occurs when repeated hurt causes caring to fade.