Harry learns of the deceit of those he loved. These deceptions could break anyone but he's already been through so much worse. Besides why let it break him when he can go back and do it all his way this time?
Harry Potter is the Master of Death. Discovering the duplicity of those he thought loved him Harry decides to do it all over again, only this time, he's playing by his own rules. (I have been told a couple times that I am either plagiarizing or being plagiarized from shadowfiend97 this is untrue. It was an account I had but for some reason have been unable to gain access to.