Harry suddenly decided to leave Hogwarts forever to find the remaining hok rak. Ron and Harry Potter promises to go with him and Harry end relationship with Ginny to protect her from Voldemort.
Harry decided to leave Hogwarts forever to find Horne Love's remains. Ron and Hermione promised to go with him. And Harry's relationship with Ginny to protect her from Voldemort's.
Harry decided to leave Hogwarts forever to find the remaining Horcruxes. Ron, Hermione and promised to go with him. The relationship ended with Harry and Ginny to protect her from Voldemort.