I think there are a lot of factors that are involved, but one of them is self-gratification. I think we often take the easy way out, or try to skirt things, trying to be happy all the time, believing that life is about being happy all the time or that our lives should be perfect. It isn’t and they aren’t.
Because divorce doesn’t bear the social stigma it once did (even 40 years ago) we assume that makes it somehow better for us because there is no longer that stigma.
With all that people are facing, particularly the youth, I think marriage at a younger age now isn’t always a good thing, either.
Women strive to have education and careers and although they’ve come a long way (baby), there is still often inequity in the home, which places unnecessary strain on a marriage.
I think there are a myriad of reasons that divorce is at such a high rate, I know others will also offer up good answers and look forward to hearing their reasoning as well.