Hopefully she can see the benefit of abandoning alcohol, no matter what your beliefs are. Your beliefs don't make her drink; she makes herself drink.
I can understand wanting to be considerate of her feelings, but you're assuming responsibility which isn't yours in assuming that you've caused, or extended, her drinking.
I can understand wanting to be considerate of her feelings, but you're assuming responsibility which isn't yours in assuming that you've caused, or extended, her drinking.