DEAR MISS MANNERS: I have a niece, Maya, who has been estranged from the family since her teens. After five years, she’s now returned, wanting to be near family. We are trying to get to know her again, as she is not the same child we knew — pretty much a stranger. She was a beautiful, smart young lady when she left, but now states she will live as a hippie. Her mom supports this. She has facial piercings, full underarm hair and multiple visible tattoos. We don’t agree with her life choices, but remain silent. The struggle is with my son’s upcoming wedding. Maya is excited to attend, but my so…