I do not care what the other party has done, or is doing, which is less than ideal.
What is important is that you do not channel any ill-will at them, no matter what. Not only will it hurt your own psyche to do so, it will cause irreparable harm to your relationship to all others. The power of one, which states that what you do to any one, you could potentially do to all, including yourself.
Ill-will only creates more problems, and does not solve the original cause of unrest or unease.
Let ill-will go, and rise above this nasty tendency of the mind. All trouble starts in the mind, and that is where you can nip it in the bud.
Daily Positive Focus 