C23 Hear the words of the prodigal girl?

Although I didn't really understand what Brother Fu meant by those words, I still honestly nodded my head.

To my brother, he is the only family that treats me well in this world. Naturally, I will not hesitate to pay any price to find him.

If that's the case, then Brother Fu Zi asked me when I was adopted by Uncle Wang. I wonder why Brother Fu asked again this time