Sara Arfeen Khan, expressing her discontent with Vivian Dsena's favoritism towards Avinash Mishra in Bigg Boss 18, revealed a conversation with Vivian's ex-wife, Vahbiz Dorabjee. Vahbiz allegedly warned Sara about Vivian's troubling behavior based on her personal experiences. This revelation further strained Sara's relationship with Vivian, leading her to question the authenticity of relationships within the Bigg Boss house.