Recently, my dad told me that I was in fact, not his first child, which is what I have always been led to believe. He told me that I have a half sister who is 2 or 3 years older than me, and was put into foster care after her mother cheated on my dad, and then abused my sister after he left. My dad hasn’t seen her since she was 2 years old. I know her name, I know where she’s from, should I try to find her…?