We all know that the Kapoor sisters are extremely thick. They are practically each other???s BFFs and no amount of work pressures or busy lifestyle deters them from spending time with each other. Well, but Kareena???s hubby Saif too is extremely close to Karisma. As we all know they have worked with each other and given us some amazing hits like Hum Saath Saath Hain and the two share a great bond since then. Kareena spoke to a daily recently revealed that Saif has been a constructive force in sis Karisma???s life.