Any close relationship survives on trust, respect, communication and commitment. If these factors are not there in adequate amounts then there could be some emotional difficulty faced by both parties. Any previous altercations will also have a bearing on current altercations.
Next Steps
Please meet a counselling psychologist in your city.
Health Tips
Try to have an open conversation without blaming each other. Understand what each of you are missing in the relationship. Look for amicable conflict resolution.