All the posts are very valid points. Money is a big issue which has led to make martial troubles and ultimately break ups.
From my experiences, my ex husband was very obsessed with money and the spending of it. He had succumbed to the evils of money, he worshipped the stuff. When i feel pregnant, he did not want to take financial responsibility to take care and provide for me and the child, he saw it as a burden, he even asked for me to have an abortion, subhanallah. Now i know my experience is not why all marriages break down, but it is a main reason for some women, from all societies. There are selfish people only concerned about this material world and money and lack of belief in Allah, and that He will always provide as the Quran states: Do not slay your children for fear of poverty. We shall provide for them and for you (Qur'an 17:31).
Money is a the route of all evil. From my experiences and from hearing from people looking to marry, i know some girls demand high dowries and demand a house and car before marriage. They almost price themselves out of the market. The is no longer the belief that you will have to work hard to build a life together. As tigerkhan mentioned, many girls do not want to compromise and make the sacrifice, but this also goes for men too. With some men, because they also want a good 'celebrity' lifestyle, they are looking for their wife to have a good job and education to contribute and they almost forget that they have to provide as Islam teaches. They forget what income the wife earns, belongs to the wife and for her to spend as she wishes. Now if a couple struggles, then yes it is good to help out, but due to western influences Muslim men are expecting just that, a joint income therefore a good lifestyle will come of it. It is materialism most people are after, they live an excessive lifestyle.
People are no longer grateful for what they have and only want more. Our generation is a generation that has been blessed with the most then any of our parents and ancestors have ever had, and yet people are still never thankfully and they constantly expect and want more. - Ibn 'Abbas reported that the Messenger of Allah, may Allah bless him and grant him peace, said, "If the son of Adam possessed a valley full of gold he would want to have two valleys, yet his mouth will only be filled by earth. Allah turns towards those who turn in repentance."
Another major problem i find with martial breakdowns, are the interference of family members, i.e. parents and siblings. Again i speak from experience. I have personally experienced a family dictating what they expect from their sons. I do not know if girls get a similar experience. I have found since some Pakistanis require the wife to move in with the in laws and this is where trouble can start. From here husbands are not cooperating with their wives, but allow the interference of their parents and listen to their so called 'good' opinions, without realising that the parents may even be using them for their own benefits sometimes. Parents dictating how they spend their income, where they may choose to live, who will look after their children, even whether the girl should be working, etc. Many girls become unhappy and often feel they are lacking in privacy and say in their OWN marriage and ultimately lacking of respect. It is a right for a wife to live wherever she wants but some do not allow it as it is a requirement from their parents (due to culture brainwashing) to stay at home for a 'little longer', mainly due to financial reasons. Many can deny this happens but i have physically seen and experienced this, so i would not be lying in my statement. It is one thing to obey and respect your parents yes, but nobody should think they own their children, which i see too often among such communities. Having children is a privilege and blessing form Allah, not a right. It is one thing to raise your children to be good members of society, but not dictate their adult lives, i mean are they that incapable to decide their finances, lifestyle and having a marriage?
I also agree that temptation can cause a marriage to breakdown. Because we mix so freely in the west, and so it is easy to commit zina for some who may have weak character. There are men and women who are not modest in their dress/nature and it provides a temptation. With sexual images freely opposed everywhere and music conveying the same message, is is hard to run from this and so if one is weak they feel that something is always better around the corner, they are never satisfied. everyone is constantly comparing each other. It is all about physical pleasure and not looking beyond the fact that beauty and image will fade and Deen and a growing love is ever lasting. Furthermore, everyone is expecting Mr and Mrs Perfect. What is funny is they themselves are not perfect but they are buying into an idealisation of a type of man or woman they want, hence when you marry that person you have idealised, the marriage can breakdown as you have built them up to be what they are not. You can become disappointed.
I am sure their are more, reasons but i have picked the main ones.
