If your partner has stopped being intimate with you and there have been issues since you cheated on him three years ago, it's possible that this could be a symptom of deeper underlying problems in the relationship. However, it's important to remember that every relationship is unique, and there could be other reasons for the changes in intimacy.
Lack of intimacy in a relationship can be caused by various factors, including emotional issues, stress, communication problems, health concerns, and more. It's crucial to have open and honest communication with your partner about your feelings, concerns, and any potential issues in the relationship.
If you both want to work on the relationship, consider seeking professional help from a couples therapist. They can assist you in exploring the root causes of the intimacy issues and guide you in finding ways to improve your connection and communication.
Ultimately, the decision about whether to stay together or divorce is something that you and your partner need to discuss together and may require professional guidance. Remember that rebuilding trust and healing after infidelity can be a challenging process, but with effort and commitment from both partners, it is possible to overcome such difficulties.