My sister was saying to me that her 8yo said to her that she’s gay, and my sis didn’t knew how to react because she couldn’t believe an 8yo would know if she’s gay. I told her that didn’t matter if she’s gay or not, what matter if you support her or bot. If you accept her as gay, she’s going to felt validated and would trust you as growing up, if you don’t believe her and try to force heterosexuality in her she’s going to hate you eventually, if not for that for any other reason.