Dear Eric: A few months ago, I discovered I was not invited to my niece’s wedding this summer. She is the daughter of my only sibling. I was told when I asked my sister if I needed to save the date. I have attended my sister’s other two children’s weddings.

I am heartbroken. I question everything about what I thought our relationship was given how unkind this decision was.

I discovered I was not invited to my niece’s wedding this summer. She is the daughter of my only sibling. I was told when I asked my sister if I needed to save the date. I have attended the weddings of my sister’s other two children.