How does thalestris advice affect belinda?

Thalestris's advice significantly influences Belinda by encouraging her to take action regarding her feelings for the Baron. By urging her to confront him and reclaim her lost lock of hair, Thalestris empowers Belinda to assert herself and seek justice. This counsel ultimately propels Belinda into a more assertive role, transforming her from a passive character into one who actively engages in the conflict, thereby heightening the poem's themes of honor and female agency.