gregor is disappointed because he was very against the transformation
"Essay on MY best teacher" We do not know your teachers and you did not provide any valid information on them, nobody can help without more data and you should be doing this alone because we dont know them.
Twilight series I believe is what your looking for, although I asked my son what that stupid movie about the vampires was and he said Transyvania lol, but the answer you want is Twilight.