Struggling with my dad's behavior

The best piece of advice I was given about boundaries is that many of us misunderstand how they work. They are not agreements on how others will act, they are promises to ourselves on how we will respond if someone acts a certain way. We can't control others behaviours. But we can control how we react, to a certain extent. This isn't too say that you reacted poorly by being upset. More to say you now need to decide what long term reaction you are going to have in response to your father not respecting you. Will you limit his access to you? Go no contact (even if just for a short while)? Continue as you have been? These are all choices you can make in regards to his actions. Unfortunately, he will make whatever choices he makes. But you need to protect yourself and your own health and safety.