No, I didn't know that stuff about her drinking. The amount she is drinking doesn't necessarily sound extreme. It is more the pattern -- the late night buzzed dramas -- that suggest she is relying on alcohol to cope rather than really making changes in her life so that she is happy. And, it doesn't help that she seems to take things out on you when this happens...
Re focusing on the alcohol, then the A, then XYZ... in trying to figure out WTH is going on. Pretty standard stuff to look for THE KEY. Actually, THE KEY is pretty straightforward -- the old R wasn't working for either P and one of the Ps figured that out first.
