At first I thought, "dude, she's German, and you're English, what do you expect?" Then I realised most of the arguments listed on this site are ones I've had. To wit:
There are many arguments we have over arguments. 'Who started argument x', for example, is a old favourite that has not had its vigour dimmed by age nor its edge blunted through use. Another dependable companion is, 'I'm not arguing, I'm just talking - you're arguing,' along with its more stage-struck (in the sense that it relishes an audience - parties, visiting relatives, Parent's Evenings at school, in shops, etc.) sibling, 'Right, so we're going to get into this argument here are we?' An especially frequent argument argument, however, is the result of Margret NOT STICKING TO THE DAMN ARGUMENT, FOR CHRIST'S SAKE. Margret jack-knifes from argument to argument, jigs direction randomly and erratically like a shoal of Argument Fish being followed by a Truth Shark. It's fearsomely difficult to land a blow because by the time you've let fly with the logic she's not there anymore. A row about vacuuming gets shifted to the cost of a computer upgrade, from there to who got up early with the kids most this week and then to the greater interest rates of German banks via the noisome sexual keenness of some former girlfriend, those-are-hair-scissors-don't-use-them-for-paper and, 'When was the last time you bought me flowers?' all in the space of about seven exchanges. 'Arrrrrrgggh! What are we arguing about? Can you just decide what it is and stick to it?'
Then again, I married an Italian, so what do I expect?
Veteran sexist Tom Johnson (aka, "my dad") would note the only real thing in common is the sex of the opposite party, and point out the generalization that old men get to make and young men don't.
Which just goes to show being sexist doesn't necessarily mean you're wrong.
Ron gets a jabbering no-prize for bringing us this example of the universality of the human condition called "marriage"*.
* Yeah, I know, the guy who's writing the site isn't, or doesn't seem to be, married. After a few years of co-habitation, the distinctions between the two become quite subtle.