I kissed your sibling. Years ago. Before we got...

I kissed your sibling. Years ago. Before we got serious. But still. It meant nothing. Drunken mistake. But I never told you. You introduced us. Trusted us. Never suspected. And I kept that secret. Now we're family. Holidays together. Dinners together. Secret together. Every gathering is a reminder. Every hug is guilt. Every smile is a lie.