Check out 9 Surefire Ways You are Undermining Your Relationship

4. Ignore any thoughts or concerns that your behavior actually impacts the other person
As long as you can stay focused on how the other person impacts you, and refuse to consider that you may impact him or her as well, negativity and resentment can thrive. If ending the relationship – or at least living in distress is your goal, it is imperative that you keep out the softness and understanding that comes from realizing you impact the dynamics of the relationship too. If you ever feel inclined to consider your role in things, quickly squelch those thoughts with memories of how the other person has wronged you.