How Did We Get This Far? (Dan and Phil Fanfiction)

Phil and Clara are getting married, and when he tells his mother, she returns with some shocking news that has meant lies have been kept for years. There's a man and a girl he urgently needs to meet, while simultaneously checking on Dan.
Dan has been living on his own. He has been doing fine. But, when he hears Phil is getting married he begins to struggle. Phil is the only one to fix these things, except the girl that is the closest to Phil that he can ever get: Doolittle.
Elizabeth is an average teenage girl. But when her idol turns up on her doorstep her world is flipped as she sits on a rock and meets a man who is the only one who can convince her to do something she has dreaded for years.