Sanji and Zoro always argue and often fight. But Sanji always admired Zoro's determination and strength, because they were teammates and close friends, protecting each other and continuing on the path forward, regardless of the dangers that befell them. On the boat deck on a moonlit evening Dau Tao, what are you doing here? Why aren't you sleeping yet...smiling softly, holding a bottle of water and giving it to Zoro