Carl and Lindsay broke up primarily because of deep communication issues, lack of trust, and fundamental personality conflicts. Carl felt that Lindsay did not support his career aspirations, often shot down his goals, and was critical of him. Lindsay had a bossy demeanor that Carl found off-putting, and their fights escalated with mean digs and anger from both sides. Carl accused Lindsay of calling him derogatory names and living in a victim mentality. He also suspected Lindsay wanted him to relapse from sobriety to keep control over him, a claim she denied. Ultimately, Carl stated he was unhappy, did not feel ready for marriage just two months away, and did not want to commit to lifelong couples therapy. He felt their communication would never improve and that their personalities were just too different to work. This combination of emotional struggles, mistrust, and conflicting expectations led Carl to end the engagement.