Maintaining a healthy and pleasurable relationship is much more difficult when there is ongoing conflict that leaves you feeling angry, disappointed, frustrated or hurt.
All relationships face difficulties, and most are resolved over time. However, when the problems become entrenched and seem impossible to reconcile, it is important to seek professional help. Obviously, partners will try to deal with relationship issues themselves, but when problems continue to occur it becomes clear that professional help is needed. It is far better to resolve problems than to dissolve the relationship altogether.
Ideally, both partners would agree that assistance is required in order to gain a new and objective perspective on their relationship issues, and to assist in mediation of these issues. If, however, your partner is reluctant or unwilling to seek help, then it can be very helpful for you to seek help first.
It is important that you seek help from someone who is trained and experienced in working with relationships.