What does Keats mean by a flowery band to bind us to the earth?

In the phrase “a flowery band to bind us to the earth,” Keats suggests that beautiful things in life create a connection that keeps us anchored to the world, despite its hardships. These “flowery bands” represent the joy, hope, and comfort that beauty provides, making life worth living even in difficult times. By describing beauty as a “band,” Keats conveys the idea that the allure of beautiful experiences and sights binds us to a love for life, preventing despair from overwhelming us. This imagery reflects his belief in the uplifting and unifying power of beauty to keep us engaged with the world around us.

This question related to Poem 3 English Flamingo Class 12th NCERT.
From the Poem 3. A Thing of Beauty.
Give answer according to your understanding.