So that Cleopatra had great obligations to her for having taught Antony to be so good a servant, he coming to her hands tame and broken into entire obedience to the commands of a mistress.
Plt Antony Chapter 10: Fulvia

To most of them she spoke herself, as to the Ethiopians, Troglodytes, Hebrews, Arabians, Syrians, Medes, Parthians, and many others, whose language she had learnt.
Plt Antony Chapter 27: Cleopatra

For her actual beauty, it is said, was not in itself so remarkable that none could be compared with her, or that no one could see her without being struck by it, but the contact of her presence, if you lived with her, was irresistible; the attraction of her person, joining with the charm of her conversation, and the character that attended all she said or did, was something bewitching.
Plt Antony Chapter 27: Cleopatra

So she feigned to be dying for love of Antony, bringing her body down by slender diet;
Plt Antony Chapter 53: Octavia tries to visit Antony. Cleopatra defers a new war with Parthia

In fine, they so melted and unmanned him, that, fully believing she would die if he forsook her, he put off the war and returned to Alexandria,
Plt Antony Chapter 53: Octavia tries to visit Antony. Cleopatra defers a new war with Parthia

Those who had seen Cleopatra, whom they could report to have no way the advantage of Octavia either in youth or in beauty
Plt Antony Chapter 57: Antony and Cleopatra go to Athens