I never thought that my sister would be good at nursing because as you say I didn't think that she could handle losing patients BUT it turns out that that same compassion and empathy made her a truly Great nurse.. She learned to cope with losing patients because in the end we aren't made for this world anyway and nobody would want someone dear to us whether a patient or a loved one to continue suffering.. As a nurse she applies every effort to care and advocate for her patients to be as comfortable and pain free as possible while using all reasonable means if its possible for them to recover. Also, there are all different areas of nursing some of which don't deal with death quite as much.. That said though death is often a part of being in the medical field but it is just part of a much bigger picture of the health that you want for your patients. I hope this helps someone as I realized while writing this that the advice was sought out 3+ years ago