according to last nights episode, Phil has once again caught Stella in another lie ...and during a convo between Stella and her mother( Phil went to the potty ),, that Stella was 10 and the sister was 4 and Stella was supposed to be keeping an eye on her lil sister,, something happened ( nothing came out ) then Phil takes Stella to a lay by and asks her for the truth ( Stella lies again ) that her sis had died of spinal mengiitis ( sp ) There is a whole lot we do not know about Stella, and I wish the Mom and Dad had told Phil a bit more ,,,