I don't know... so far he's doing just fine. So far, so good?

Hey you guys? I can't shake the feeling my Dad is about to die. He's in his late 50's, active, and has no major health problems. I haven't spoken a word to my family or friends. I'm writing this here so when something happens, I have a time-date stamp to show I know. I have no idea what to do about it. I've been…