Sanji grew up with Zeff when he saved him and took him in. He grew up in Baratie and became such a charmer and a gentleman.

Because of Zeff and his own skills, he became a professional chef as well. He was a hopeless romantic, but once his eyes set upon you, his world changed. You were his soulmate, and he couldn't help but feel like the waves came crashing on him with many emotions, but overall.. he fell in love. Once you set foot in Baratie, he was already smitten with you.