Board Thread:News and Announcements/@comment-6533159-20151015224111/@comment-5414218-20151018140353

Yang did say that both were Taiyang's "lost loves". I assume that neither were one night stands.

We don't know why Raven left, but I doubt it was because she didn't want to take care of the kids. This is fiction and that almost never happens, it's usually a super secret life or death decision.