One and a half year old snake, 50 grams?

[PitOnTheProwl]

Could you also try to get a picture of his "prolapsed hemipenes"? Because I am wondering if what you(and the vet) are seeing are the "spurs" which are supposed to be out

This is why there are so many great members here.
Someone always catches something that got overlooked.

My vet said "Oh those are his hemipenes" as if it was casual.

Right here.... Find a new vet. Preferably one that knows reptiles or at anatomy and wont blow smoke up your butt.
I would bet most of us overlooked that because we took your word that you took your vets word.
That is not your fault as it was his/her job to inform you about your animal and evidently is not qualified.

There are many people in this community that are here to help.