Board Thread:General Discussion/@comment-25266931-20161128203912/@comment-5430952-20161207122553

That's why he didn't tell her the whole truth after Summer died, he didn't want Yang to know her real mother was once a murderous bandit who pillaged innocent villages, attracted Grimm to said villages and left them to die while she escaped with her ill-gotten goods. Though now that she's been raised as a Huntress, she'll be more capable of handling the truth than she would as a child. And Tai would know the chances of running into Raven's Tribe in Anima is very substantial, so keeping quiet would not be an option, he can't afford to have Yang freak out in a hostile situation, lest disaster follow.