"Yes," Ezra agrees, immediately. "I'm ok for now. It will keep."

He hopes that reads as an invitation to actually talk later rather than a hard denial. This is not remotely the time or place. Although he's about to throw another wrench into the conversation, and he knows it, but it's for a very practical reason.

Obi-wan is young, but he's not that young. So it's with level, utter confidence, he tells Din, "If we do need weapons, give Kenobi the 'saber. He's the better swordsman."