Helping sbb with addiction lmao

i've known my bff for over 10 yrs n she's had serious probs with alcohol. recently shes been down again, i could tell.

last wek she wrecked her car thhen her husbands. it was obvious thta shit was bad. so i told her to stop driving and offered to drive her to gym stuff.

for christmas she asked me 2 grab a gift for her husband from the store. turned out it was canned air for his desk at work. when we got there, she put it in her locker cuz she didn't want him seeing it before xmas. weird since lockers dont' stay locked overnight, right?

the next day i realized she had been high on that stuff, not drunk like i thought. turns out she lost her job b/c of it too.

i ended up telling her husband the truht lats ntie and now shes mad at me cuz she thinks i should've talked to her first.but honestly, if she died at the gym bc of this... i wouldn't have been able to live with myself.

so confused rn. feel sad, betrayed, angry.what do?