This is how Boa Hancock's Mero Mero no Mi works.
One Piece Magazine Vol.16 Information + Designs on Boa Hancock + Rob Lucci's Devil Fruits : r/OnePiece
5 One Piece theories that could explain how Blackbeard can eat multiple Devil Fruits
Hyori with Boat Hancock Fruit. Is she turning Blackbeard or any Top tier who feels attracted to her into stone? If yes, So Hyori with Mero Mero no mi > any commander
One Piece: Boa Hancock's Mero Mero no Mi, Explained
Is Boa Hancock powerful in One Piece, or is she just pretty? - Quora
One Piece: Devil Fruit Awakenings, Ranked
Wish I Had Salome But My Take On Boa Hancock :3 R/OnePiece, 44% OFF
Did Blackbeard manage to take the power of Mero Mero no Mi? I don't think so.. [SPOILER ALERT]
One Piece: Could Blackbeard Use Boa Hancock's Love-Love Fruit?
Mero Mero no Mi, One Piece Wiki
Mero Mero no Mi's Secret Revealed, The Reason Why Blackbeard Wants It!
Mero Mero no Mi, All Worlds Alliance Wiki