Boundaries are only good when you can control them respectfully. You can only control yourself. I would agree with Rose888. Now for the apology that is something everyone needs to do if they lost their cool over something and know that they took it to far.
First of all an apology is only true if it is sincere. Also even if you say that your reaction was inappropriate that is a form of apology. That is admissions of guilt. Just saying sorry is another. There are five forms of apologies and each person responds different to each one.
You can find a better description of this on this thread.
