Facebook should have a limit on how many times you can change your relationship status. After it should default to Unstable. dhavalvadi 4 years ago Facebook should have a limit on how many times you can change your relationship status. After it should default to Unstable. 1 Facebook should have a limit on how many times you can change your relationship status. After it should default to Unstable. Facebook should have a limit on how many times you can change your relationship status. After it should default to Unstable.