When Jason enter in the train he saw
a boy of his age and that boy say:

-Hi I am Frank Longbottom and I can
be here?

-Of cource you can be here!Im Jason
Smth.

Jason talk with Frank in all the time in
all the travel.

When they enter in Hogwarts Jason
love that place but he found one little dragon on the ground.No one see the
animal just Jason.He take the dragon and 
put him in him bag.He go to Grifindor and when he go to the dormitory he
cared of the dragon

Jason have to kill the little dragon
because the professor want to study the dead dragons and said to Jason kill a
Dragon.So in the night Jason kill the dragon and cry for a hour but when frank
go to the dormitory Jason have killed him self.

Frank never forget the friend,but,yes he forget because 25 years after he have a baby the name is Neville Longbottom the name of Jason's father.One whitch named Belatrix Lestrange use the curse cruciatos in Frank and his wife Alice and after that moment Frank and Alice don't remember nothing.

But all nite the spirit of Jason say to Frank:

-Remember me!