They met when they were both pupils at Hogwarts
Yes they got married.
I suppose it might have had something to do with love, lust, sex and things like that... you will understand it when you are a bit older.
She went out with James Potter because he deflated his head and grew up . He's my favorite character so I did some research trying to figure out why Lily did go out with him. And in one of the books...
Harry Potter.
Their last (seventh) year.
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