Having seen someone I know sit through 15 years of a horrible marriage 'for the kids' I can tell you that he spends most of the time looking like he wants to die and all of his kids have to live through it as well. They are well aware that mum and dad don't get on and fight a lot and to one extent or another all the kids have ended up being messed up and will go on to have an unhealthy view of what a relationship is.
In my opinion it is cruel to the family and you only get one life, being miserable should not be something that is the norm......
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