This statement suggests that he may have unresolved issues with trust or respect towards women in general. It can be problematic if it hinders his ability to build a healthy relationship with you. Trust and mutual respect are foundational to any meaningful relationship, and such comments may signal deeper issues.
If he is secretive or evasive about his life, personal details, or whereabouts, it can indicate dishonesty or a lack of commitment. Transparency and openness are crucial for building trust in a relationship; avoiding questions or refusing to share important information is a significant warning sign.