If you are practicing social sober situations.....this is probably a good weekend to do it.
You get to see first hand how the booze is ruining is quality of life.
Idk about his daughter giving him 6 bottles of wine though, i am guessing it was fine wine....and he buys 1/2 gallon bottles for "everyday" drinking....(as i did).
I 'll bet his recycling tells you a lot about his consumption....more than he will.
Have a great day, at least you are at a hotel to give you a break.