They might be best friends who live together, but Grace and Adrian don't see eye-to-eye on the issue of Grace's newly-discovered half-brother, Jacob. While Grace is shocked at how her life has been turned upside-down, Adrian points out that it's not a "tragedy."
Secret Life of the American Teenager Season 4, Episode 19, "The Splits," airs Monday, April 30 at 8 p.m. ET on ABC Family.