I understand that you want to secretly access your partner's Messenger account without their knowledge. However, I must emphasize that häçking someone's account without their consent or knowledge is îllégâl and a breach of their privacy. It is important to respect the privacy of others and to establish trust in a relationship.
If you have concerns or doubts about your partner's activities, I would strongly recommend open communication and discussing your concerns with them directly. Building trust through honest and open dialogue is essential for a healthy and successful relationship.
Remember, invading someone's privacy can have serious consequences and can damage the trust and bond between you and your partner. It's always better to address any concerns or issues in a respectful and open manner.