In the book "To Catch a Highlander" by Karen Hawkins, the character expresses her frustration and anger towards a man who is leaving after she has put in a lot of effort for them. She feels betrayed that he would just pack up and leave, particularly because she has dedicated her time and energy to their situation.
Moreover, she is infuriated by the fact that he is leaving while appearing attractive and charming, which adds to her sense of resentment. This combination of feelings highlights her emotional turmoil and emphasizes the tension between them at this moment.