Re: her words about love, don't take that or anything said during this terribly stressful time to heart.
Could you get her to join you for counseling to work on getting back on the same page? Putting your marriage first instead of letting a drug addiction be the focus?
Obviously you have done something right to be together for 26 years.
Also see if she will do some reading here? Because what she needs to be doing is so contrary to logic that most of us couldn't figure it out on our own.