Actually is the gap between dream and reality in my opinion..

When we  fall in love,we think of everything is the best,have no defect.But when you really in marrige life, many things like  household chores 、child、elders、relatives..etc may affect your mood and  decide your mind,if you don't have a perfect plan and effective commucation,these may crush you one day in futrue.

The result willbe divorce.

From Wikipedia:
    In the past divorce was not possible in Ireland due to the influence of the Roman Catholic Church on politicians. Divorce was prohibited     by the 1937 Constitution. While in 1986 the electorate rejected the possibility of allowing divorce in a referendum, the prohibition was     ultimately repealed by a 1995 referendum which repealed the prohibition on divorce, despite Roman Catholic Church opposition. Laws to     give effect to the new position came into effect in 1997, making divorce possible for parties who are separated for four out of the     preceding five years. It is more difficult to obtain a divorce in Ireland than in other jurisdictions.

Religion aside, it's damaging not to allow people to divorce. For example, my grandmother still think people shouldn't do it and that if you're not compatible or even you're subject to domestic violence you should just put up with it, for the kids at least. That's awful and it's harmful for the kids also, because living in a family without love (or worse with violence) is very bad for a kid's personality and future life, affective life. So it's a nightmare for the entire family, it just doesn't make any sense.

If you marry a person without really know him/her it can happen to divorce, but I don't think this case goes for most people, because almost everyone live together before they get married.

I think that not having an open and honest dialog in the relationship leads to a break-up. Like when your partners hurts you or annoys you (not pshysically, I mean) and you don't talk it out completely too many times... every time it's a little wound for the relationship and at the end it won't work anymore. If partners are in love, are understanding, open and honest it's harder to get to a divorce.

I remember in Ireland, there is one rule of MARRIAGE LAW, "if someone get married, they will never  be permitted to divorce" 

Is this rule still acting to now? 

So how do you think about it?