They did eventually get married, and still are as far as I know, over 20 years later.
But even though Celeste harboured deep feelings of jealousy and resentment towards her sibling, Alicia was as loving and protective of her as any older sister would be — she was completely oblivious to how much Celeste hated her.
Repeat: keeping this a secret benefits primarily yourself.
Keeping a straight face, he asked all the guests to stand up.
To marry him and tell him after would be the most terrible thing you can do to him.
He begged Alicia for forgiveness, but the damage was done.