how to know the right shotgun angle?

[silliestclown]

apologies if this is a dumb question.
does anyone know if there's like , a very specific guide on where exactly to point a shotgun in order to... exit?
i have a really overwhelming fear of missing the brain stem and surviving.
I've seen like, an image diagram on here that shows a side view, and I've heard people describe like the angle, but idk. does it even matter as precisely as I'm making it??? idk. i have a hard time working with even slightly vague instructions , so maybe i'm just being especially autistic about this . ha.

 

[Alex6216]

Inside mouth at a 20 degree angle.

Put a finger at the back of your throat (dont curve it down, put the finger at the end of your mouth/throat). The 'beginning' of your finger (from the hand) is where the gun should be. The rifle barrel should be on the roof of your mouth right above the end of your tongue

 

[Zerengin96]

man no matter how shitty i feel, i would never have the balls to kill myself this way