Does Platinum shine in the rain ?

What if after the events of Arc 7 and 8 Subaru decides to tell everyone about Louis' identity and that she was the one that ate Rem's memory's. What if Rem didn't take this lightly and an argument breaks out. What if Subaru told Rem he didn't love her anymore and that caused him to lose everything. What if the only one there for him was a platinum haired girl in the rain.