I'm also battling to understand when the time is right. Think there have been a few occasions I should have gone, but then didn't. And I felt terrible.
But luckily I'm still around to tell the story
When I was first diagnosed my pdoc wanted me in the hospital - in hindsight, I'm not sure why.
The next time was after a sui attempt, to make sure I was physically stable - but they didn't seem to worry too much about my mental stability. My pdoc did change my meds a bit