I try to explain to my 6 year old daughter and 3 year old son that Mommy is very very sick. My daughter asks if it's the winter making her sick. Since we've had such a cold and long winter, it certainly seems that way.
Soon my wife will be discharged from the hospital and we will begin hospice care for her at home.
Your health is so important. Don't take it for granted and realize whatever crap is going on in your life, it's not really that bad. Relish in the fact that you have the chance to learn from it and come out a better person.