Originally Posted by
ThatWasTheOldMe 
If he gets violent, call the police and ask to be separated from him for your own safety. They will likely take him to detox.
If it becomes a consistent problem, figure out if this is really a person you want in your life. If you give an ultimatum, stick to it.
Just my two cents.
If it ever gets this extreme run like hell. Any so called close partner in life that you have to call the police on is Trouble with a capital T.