"It's comforting to have someone tell you it's okay to be ill and that you don't have to be Wonder Woman at all times," Toni Braxton says of fiancé Birdman This is not another sad love song.

Toni Braxton never imagined that the lyrics to her ... she's on a mission to educate womenabout their health -- especially women who think, like she once did, that itcan't happen to them.

"The Braxtons" reality series, starring Toni, Towanda, Trina, Tamar and Evelyn Braxton, is set to return for a sophomore season.