Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.

A. They lived in a cohesive joint family structure where they were happier than we are.
B. The joint family provided an emotional cushioning effect against stress.
C. The structural framework of our forefathers' families was different from ours.
D. The bond of love which they shared cannot easily be found in nuclear families of today.