The only reason Harry and Ginny love each other because she good at sports good and he’s famous. There’s no other given reason why.

They only love each other because she smells good and he’s hot. There’s no other given reason why.

Well Harry never went on tangents about how athletic Ginny was so there really isn't any evidence. Bella always went on forever about how hot Edward was. Same goes for Edward if you read Midnight Sun. I think Edward realized that he loved Bella after she saved him in Italy. I never really thought Bella loved Edward. I thought it was more of obsession if anything. She really loved Renesmee, though :)

There is legitimately no reason for Harry and Ginny to be together.

I've never really focused on Harry and Ginny's relationship as it never interested me, but I'm pretty sure that they don't just love each other because she's good at sports/he's famous. Maybe that was the reason at the beginning, like the 'crush stage' of their relationship, but it certainly developed after that.

Edward obviously was only attracted to Bella's blood and the fact that he couldn't read her mind, and Bella was, like Edward said, drawn to Edward because he was all mysterious and inviting. Like H & G though, their relationship develops. Greatly. You cannot deny that they love each other, albeit it's not the normal kind of love, but they do.