How Do You Know When You're About to Die?

In hospice, they teach you that people die as they've lived. So it's like kind of like the cycle of action in your life when you're approaching death. If that cycle will just happen with more frequency, is this closer to death or yets? Pretty interesting. You cand almost, from the way that you're living now, kind of figure out probably how you're going to die if you have time to die.