Let's Help Each Other

When two rivals are forced to speak, so as to not die of boredom, a mutual friendship is born. But when Draco Malfoy and Harry Potter both reveal secrets that not even their friends know, they strive to help each other in any way possible.
It starts off on the train ride home after 6th year
(This is a story my friend and I made together by role play texting, but I'm going to make it in bookish form. This is an original story)

Btw abuse alert at the beginning of the story

I DO NOT OWN ANY CHARACTERS OR PLOT JK ROWLING WAS AMAZING, IM JUST ADDING GAYNESS