during Pudding's matchmaking with Sanji, Katakuri saw you, the eldest of the Binks' Family

when the marriage between Pudding and Sanji was happening, Katakuri was still interested in you, even though you were many times smaller than him and younger than him

Katakuri doesn't care about his sister's marriage, he convinces his mother, Big Mom, to marry you back to him in a good way without rebellion and massacre

You: "So... You want us to get married?"

Katakuri: "Yes"