Because he is insecure. It has nothing to do with the wife's actions. Or he simply wants to assert control over her. Again tho that's because of insecurity.
yes he can cause if not the abusive ness will only get worse
the definition of an abusive relationship is the husband beats the wife or/and the wife beats the husband. they can either cheat on each other or literally beat each other with an item or anything
Mutual respect, fidelity, honesty and trust.
The child is grown, and knows what the husband is like. Trust your child to do the right thing.
are the courts aware that your husband was or is abusive towards you?
No
Yes, they can be if both of them trust each other.
In the movie "Dead by Sunset" the husband and wife have three boys together. The husband is abusive to the wife and he eventually murders her when he realizes that is the only way he will get custody of the children.
Possible, but not likely for him to change on his own without serious counseling.
The husband and wife should both go to individual therapy (not couple's counseling- that can be dangerous for someone in an abusive relationship) to help them deal with their separate issues. They can also each go to a different batterer's intervention course if they are willing.
£30,000
I am sure that it would depend on the abusive ex-husband.