Why does Harriet's excitement about having finally secured her freedom pass so quickly.?

Harriet's excitement about securing her freedom quickly fades due to the harsh realities and consequences that accompany this newfound liberty. She grApples with the fear of being hunted or recaptured, as well as the emotional weight of leaving behind loved ones still enslaved. The joy of freedom is overshadowed by the daunting challenges and dangers that lie ahead in her quest for safety and a better life.