The cycle stops at me!
That's my war cry as well. ;o)
Welcome to SR Kroby..
Yeah.. being buffeted by the insanity of other's addictions.
Boundaries are so important... but it's a bit of work trying to figure out exactly what they should be. In your Dad's case... I think that allowing him to feel the consequences of his actions will do more to encourage his sobriety thank rescueing him.
Way to take care of yourself.