I have a son born with a auto immune disease. So we spent weeks at a time in the hospital for the first 5 years, then he was sequestered for four months. Still spend time in there every few months. Plus the most heartbreaking for me is watching your son be put under for 'procedures'.

All you can do is be prepared. Have your hospital BOB ready to go for all family members. Accidents happen. Some kids are more docile some are daredevils. Really it just comes down to eye to eye contact. I sort of treat my two kids like I did my M-16, never more than 3' from my sight. Of course with kids at home you can move that to the room your in.

You'll learn hopefully that unless its life threatening you got nothing to worry about. The pain and tears and discomfort will go away.

Crap. My wife worry's more about my injuries than my kids. lol
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Don't just survive. Thrive.