This is my headcanon for the show
Both steven and pink have fangs but pink like to keep it a secret.
When Steven go into 'pink' mode that just pink control Steven body to see why his stress
Pearl still see Steven as rose/pink diamond
Bismuth sometimes get annoyed by pearl still see Steven as rose/pink diamond
Pink will rarely unfuse with Steven but if he do only when the fusion is unstable
Amethyst see both Steven and pink as her brothers
Garnet was the first to find out Steven was a fusion
Pink when he's unfused is very antisocial will go out if he needs to
Steven continues going to therapy and got pink into it too
Lapis, Peridot and bismuth live and work at little homeschool
Steven is still the principl at little homeschool
Steven will talk to pink through their mind link
The crystal gems still look out if any of the health gem recorrupt
Steven have corruption scarring
Next headcanons is fusions