Next day she just tells him without preamble:
"If there is a child … it will be his child."
He looks at her with utter disbelieve.
"Mugiwara's child? Does he even… Does he even know about your feelings?"
"Doesn't matter. Someday I will be his wife."
She leaves him with a huff, with her head held high, the real empress.
His crewmembers watch their interaction with stupid smiles on their faces. If they weren't half dead from the night travails, he'd wring their necks himself. Even fucking Jean Bart's neck.
No, it's not jealousy he feels. Not at all.