There was a drug in his system, but he was not totally under its control.

He was just using the drug as an excuse to get closer to her.

Camila felt her throat closing up at the intensity of Isaac's stare. Aware of the drug's influence on him, she remarked, “Isaac, you don't want to sleep with a woman who has had sex with another man, right?" She was well aware of Isaac's haughtiness.

He thought highly of himself.

Obviously, a guy of his stature had strict expectations when it came to his wife.