professional it make sense but when you're dealing with someone you love, obviously you done want to see him go. >> we don't, but i would rather see him -- i would rather see him go out doing something that will help i don't know how many others. that's a heck of a legacy to leave instead of just watching him slowly wither away. it makes sense to us. >> i want to get to professor kaplan now. he says he believes it's morally ethical to do this. you think it sets a bad precedence, is that correct? >> have moved by gary's flight, but doctors involved in transplants cannot be the cause of death to patients.