need help

can somebody tell me..............in baa bahu and baby.................in one episode baa was telling her children that when they left their old small house she had told all her family members not to look back and she explained why........................can someone tell me what had she explained.................it had a deep meaning.........i have forgotten it. I am moving to a new house so i thought i will tell it to my family also.............Thanks to all who can help