Telling your girlfriend her mother is "finer" is a direct blow to her self-esteem. It creates a competition she can never "win" because it's based on an age and stage she hasn't reached yet. Trust Erosion:
Attraction to a partner’s parent is distressing but manageable with immediate boundary-setting, honest self-work, and ethical decision-making. Prioritize the dignity and safety of your partner and family, invest in therapy, and take concrete, measurable steps to reduce risky contact and rebuild your primary relationship or separate responsibly if necessary. My Girlfriend-s Mom Is Much Finer than Her- So ...
Finding a partner's parent attractive can be a complex and sensitive issue. By understanding the psychological aspects of attraction and taking steps to navigate uncomfortable feelings, individuals can work towards maintaining healthy relationships and a positive self-image. Telling your girlfriend her mother is "finer" is