You should let them know you care about them and listen to what they have to say. Always be there for them in any situation.
Industrial smog. This is the stuff in coal power plants.
The matter should be discussed with the patient's physician, because when a person receives a transplant and loses their will to live, the patients body reacts to this and the transplanted organ will typically fail and be "wasted" for lack of a better word. The physician needs to know this to try and improve the patients will to live, or to refuse the surgery so the heart is not "wasted"