YOU TELLIN ME HANAKO KUN MIGHT BECOME A TEACHER IF HE DIDN'T D WORD???
Yes! It was brough up all the way back in the 4 O’ Clock Library Arc (Vol 3?) where Tsuchigomori told Nene that Amane’s original future was to become a science teacher at the school when he got older.
YOU TELLIN ME HANAKO KUN MIGHT BECOME A TEACHER IF HE DIDN'T D WORD???