A couple both in hospital and both involving others.
1st was while my missus was in surgery for a mastectomy.
The fact that she might not make it or that the cancer might get her anyway ate me up and left me with that bowel loosening feeling everytime I thought about it. EDIT: still does now tbh, but it's usually period lumps in her boob. I was like a polite, well behaved-but-likley-to-snap-at-anything caged animal. When I went up to see her in recovery I understood that thing about having your heart in your mouth. The sheer sense of sadness mixed with relief was almost overwhelming.

The 2nd was the birth of my daughter. The missus had been admitted a week earlier due to high blood pressure. On the day she was induced they started at 0930. Eventually I convinced he to have an epidural - which failed, it only worked on one side. Eventually after a day of huffing and puffing to no avail (every time they upped the oxytocin(?) hormone thingy the sprog had "fetal heartrate distress" so at about 1700 they rushed us off to theatre (to the trainspotters this was the point my mum tried to hand me a magazine & sandwich!). There they tried suction, vacuum and forceps. Nada.
So they said emergency caesar and tried to kick me out - there I was bawling in fear for my missus and unborn sprog both in some distress and danger. I told them with tears streaming down my face that they could call the cops, as far as I was concerned I was going to be there for the birth of my daughter. They didn't & I was. But that sense of abject terror when you're stood in a room full of medico boffins who all know their jobs well and you knowing there is abso-fucking-lutely nothing you can do to help protect your loved ones is not a nice feeling.
As I'm sure every parent will attest nothing comes close to that feeling when you first hold your own progeny. Now I just have to spoil her and wrap her in cotton wool until I can be sure that she will outlive me and be safe & secure.
(Misery McUglywife an attention seeking sociopathic fuckstain., Thu 5 Apr 2012, 22:36, Reply)