Amar Singh has destroyed AB's private life by declaring that even before he became friends with him, AB and Jaya had been living separately. This is not a big deal and it happens in families but in India this becomes a huge deal especially if you are celebrity of Amitabh's stature.
I'm sympathetic to Abhishek, Sweta and their children since this is out in public and no one really knows how much truth is in what AS says.
It seems, AS became friends with AB sometime around 1996, if what he says is true regarding separation, I cannot believe how Amitabh is able to focus on his work. Especially in his line, you have to throw your heart and soul. He has given many hits after 1996 including KBC.
Amitabh's every move is watched, recorded, they have to behave, to be seen in a certain manners in public. It's got be so damn hard.