There are no excuses of killing yourself, killing humans and killing other animals by promoting a lifestyle of animal products [see 1] and smoking.
This damaging lifestyle (including other destructive behaviors) is the reason of that there are hospitals.
we should do our best to help them become less disconnected. The
exclusion-lifestyle of saying "I don't care" at each meal consuming
animal products is so disastrous both for the people and animals
involved. A very nice lecture speaking about this and more: http://www.youtube.com/watch?v=oLgGnP0pWzM