Kimberly,

I'm sorry to hear what your friend is dealing with right now -- it has to be unbelievably disturbing to see her husband resuming this habit when it almost certainly contributed to his cancer in the first place. My recollection is that he has been treated at a major cancer center. If that is the case, they should have a hospital social worker who may be able to advise your friend on a course of action. Also, his doctors need to be told what's going on, since his recent actions are clearly not helping his recovery prospects.

Cathy