How to put it, Liv's personality was just like that—carefree and seemingly indifferent to many things, but she still had her own thoughts, and once she was set on something, she would stick with it to the end. Her mind was not the sharpest, and having grown up without a father by her side and in that kind of environment, she had developed a tendency not to ponder too much, preferring to accept the suggestions of others. Hence, what she disliked the most was being deceived.
And that just happened to be Adrian's strength—he hardly ever lied to his women. It was just that he wouldn't speak up about certain things unless they asked him.
"A man who seduces a woman with lies should be called a swindler!" That was the perspective of the once self-proclaimed Casanova, Adrian, but it had been completely adopted by his current self.