And at first, when they know you lil bit, they are all fantastic.
Familiarity breeds contempt - not always and no reason for it to be so, but so it is.

As to your question, when we are very young, we all picture a great future for ourselves, where we will be in reality what we are as we look in the purity of our own mind. But unfortunately, we all find that reality is harsh and things hardly go according to plan. The realization of that is very disheartening and difficult to cope with, not to mention the added stress and pressure of dealing with all of life's demands and our own (failed) expectations.
Women also fear the social taboo of being unattached and unsettled by the time they hit 30, due to the whole biological clock issue and they all deal with it in different ways. So they f*ck each other's heads with a lot of nonsense, which is only made worse by the huge amount of often contradictory advices and information they get off the mass media and people at the top of the cultural hierarchy, like Dr Phil and what have you.