He's controlling. He's lost the control over your mum, now he's trying to control you.
There are 4 main types of emotional abuse from a parent
Verbal assault. Your parent/s verbally assault you in every way possible. They may blow your flaws out of proportion, make fun of you, call you names, berate you, scream at you, threaten you or criticize you. They may blame you for everything or humiliate you with sarcasm and endless insults. Over time, this type of abuse can completely destroy a person's feelings of self worth and self esteem.
Emotional neglect. Your parent may supply you with all of your physical and material needs, but completely neglect your emotional ones. They may show no love or affection, continually ignore you, or refuse to support you during times of emotional need.
Invalidation. Closely linked and overlapped with emotional neglect, invalidation occurs when the victim's feelings and needs are completely invalidated, usually with harmful intent. A good example is when the victim tries to confront the parent/s about the abuse; the child may be told “I never do that”, “You think too much”, “You shouldn’t be upset about that”, or “You are exaggerating.” The abuser usually controls the victim’s emotions by telling the victim that those feelings and opinions are wrong, by continually ignoring and rejecting emotional needs, and influencing the victim feel as though there is something wrong with him/her. Invalidation can also be done passively, for example, when a victim tries to confide in a parent about a problem and is told that the problem is not really an issue, or that the child should simply get over it. Invalidation is particularly damaging, as it leads the victim to think that s/he is wrong, stupid to feel this way, undeserving of any feelings at all
Unrealistic expectations; unrealistic or impossible expectations such as perfection or forcing the child to be someone s/he simply isn’t, are placed on the victim, and if these expectations are not met, the victim is criticised or even punished.
NONE OF THIS IS YOUR FAULT.