I suppose the joint family system made it easier to support the couple till they found their feet. Nowadays we find that young people have to study for longer and longer periods - and they are often in their late twenties before they finish their education. That is fine, for there is that much more knowledge to be gained. We seem to have a society in India that actively discourages any interaction between boy and girl. Any attempt at finding one's own partner is met with great emotional and physical opposition.
Girlfriends are bad and boyfriends destroy a girl's reputation forever.
Surely some of us, as we grow older need to have a critical look at our own society to see what is good and what is not. The current editor of the JNN is Shyam Visweswaran of the class of 1983.