Sanji tells Zoro adorable lovey dovey things but all Zoro does is make a baby crocodile noise and hide his face in his shoulder because he's a tsundere (he loves when Sanji talk to him like that)
Do you think that when Zoro and Sanji are cuddling, Zoro just absentmindedly bites Sanji like a cat and Sanji would be like: Marimo, are you biting me? And zoro, whilst still biting: ....no
(Sanji is so bite-able)