How might coping with a death resulting from a long term illness differ from suffering from a sudden death caused by and accident?

The long term ill-ness one you would have had time to prepare for, but it doesn't make it any better. It just seems to not hurt as long. You'll be sad for a couple of days. The sudden unexpected one will tear you apart. You'll be shocked and for that you'll wonder, why them and how. You'll most likely be very sad for a long time. 

So that you don't get baby's but also prevents stis such as hiv