Linda, I am sorry to hear that your step father is so gravely ill and his wife not much better. Hope your daughters upcoming wedding provides some much needed beauty and peace in your life.
We can only do what we are able to at any given time but sometimes we need to to take a step back then recognize that we need to slow down as they say, regroup then pick up again. Stress takes many forms and is a silent thief at times, so please look after yourself.
Blessings
Kathleen