Does our body register different sources of pain in different ways? Like for example, why is it my painkiller reduces my stomach ache but doesn't affect the pain of being pinched?

I get this feeling with 70% percent of posts in this sub. Like, I'm not blind, I almost always know what the problem is, it's the fixing-part where every psychologist looks me dead in the eye and says 'you should try not doing that'

Woooo shady guy with sunglasses has entered the room