Not a rude question at all and to him Yoite is a child that needs some help. With his sight returned, he now can be of better help to others and maybe teach. It's the least he could to pay back for everyone's kindness.

"Yes, I can see and I see you. A surgery helps." He nods and he actually smiles. "That's right. Just wipe the table as I do. Follow me."

He uses a cloth to dip into a bucket and wipe the table clean one by one. "Just like this."