Even though she became a Warlord to protect her people, she refuses to take orders from the World Government, despite claiming agreement with carrying them out, evidenced as when she lied about her agreement to wage war with simply to get them off her back temporarily.
The three of them have a strong bond and support each other's actions.
Later though, told her that she wasn't married.
She also thought he was just like all men in the world, selfish and arrogant, but was proven wrong and was even moved by his acts of selflessness soon afterwards he became her love interest.
Even after the two year timeskip, Hancock continues to be in love with Luffy as much as before despite that the latter openly rejected a wedding proposal from her.
It wasn't until Hancock confessed everything to that she finally showed emotion, breaking down in tears after reliving her painful memories.