Lack of Communication :
Lack of communication is the major cause of conflicts in a relationship. In a relationship communication is the most essential factor which brings understanding between them with communication every conflict that comes their way can be solved
Trust issues :
Trust is another major factor that is very much essential for a peaceful relationship when trust issues arise in a relationship the peace in the relationship is broken . In order to avoid such conflicts build trust it is your partner just have belief in them. trust issues only lead to relationship conflicts.
Control:
Power and control wanting to have control over is one of the main cause of conflicts in relationships don't forget that you're partner is your better half and who shares your life with you give them equal respect trying to control them will only bring hatred towards and make it worse.
Expectations:
High expectations in any relationship when a partner could not live upto the expectations the other person feels betrayed and hurt communicate your needs and expectation to your partner which will make it easier for your partner to understand you and will resolve conflicts.
Responsibilities:
When it comes to responsibilities responsibilities should be shared equally whether it might be household chores or child care. When responsibilities are shared equally can conflict can be avoided . When the burden in responsibility is carried by one person and not shared it leads to a lot of conflicts.
Insecurities:
Developing a secure bond with your partner may allow both of you to share your true selves with confidence and safety. They should feel a sense of security with their partner when insecurities are formed unexplained conflicts arise and cause trouble to the relationship. Emotional safety in a relationship may also mean that even when you’re not physically together, you both feel assured in your connection.
Criticism :
When you start to point fingers at each and and criticize everything they do your partner tend to get annoyed by the way you behave and feels disturbed. Power and control- sometimes criticisms are a result of the one wanting to have power and control over the other partner
Use "I" Statements:
If you're in an argument with your partner, try to avoid using "you's." Instead of saying, "You did that! which is as an accusation take responsibility for how you feel while clearly identifying how your partner's behavior influenced you
Conflicts in a relationship don't have to turn into down-and-out fights. You can have a disagreement with your partner without yelling, name-calling, dredging up the past, belittling them, or minimizing your needs.
One of the tenants of being an active listener is to listen and truly hear what the other person is saying with the intention to understand—not just to determine when it's your turn to start talking again
Try to avoid discussing disagreements or trying to solve a problem when you and your partner are tired, stressed, or not feeling well. If you want to make the most of your conversation and come to an effective solution, you both need to be in the right physical and mental space to do the work.
Compromise can also be a healthy way to handle conflict in a relationship—as long as you are not using it to avoid conflict.4 You might find that there are certain differences between you and your partner that strongly define who you are as individuals.
Effective communication is perhaps the most important skill for addressing conflict and stress in a relationship. If you are having a hard time developing this skill, or if the conflict in your relationship is extreme, couple counseling might be useful.