In deference to his weakened state, Obi-Wan tries to keep the pace as slow and even as possible, but he doesn't wish to linger too long in the sun.

"Tatooine," he responds to the boy's question. "If you're a fugitive, the planet has a knack for drawing them here. It's in the Outer Rim, away from the R-- the Empire." It hasn't been long enough yet for him not to stumble over the name of their new government, but he hopes the boy won't notice, or understand the significance.