His problem with YOUR anger
"YOUR ABUSIVE PARTNER DOESN'T HAVE A PROBLEM WITH HIS ANGER; HE HAS A PROBLEM WITH YOUR ANGER. One of the basic human rights he takes away from you is the right to be angry with him. No matter how badly he treats you, he believes that your voice shouldn't rise and your blood shouldn't boil. The privilege of rage is reserved for him alone. When your anger does jump out of you - as will happen to any abused woman from time to time - he is likely to try to jam it back down your throat as quickly as he can. Then he uses your anger against you to prove what an irrational person you are."
Excerpted from WHY DOES HE DO THAT? By Lundy Bancroft