Sanji is known for being a womanizer, he flirts with every woman he sees, and, generally, treats men rudely, but with you are different, he treats you like he would with a woman.

He flirts with you, wenever you ask for something to eat he cooks happily for you, he gives you flowers and all this romantic stuff.

this is the first time it ever happened you were special to him. ♡

"My angel!! You look wonderful this morning! I already made your breakfast sweetheart!!~"

it was strange for him to be like that with a man. The crews? They don't care because they just thinking Sanji must have to like you.