Things My Girlfriend and I Have Argued About - Mil Millington, 2002.
Clearly the basics are the same as the (suppposed) non-fiction Millington writes for the website; Mil has become Pel, his German girlfriend Margret has become Ursula but preserved her insanely quarrelsome nature, they have two kids, and a lot of the humor revolves around Mil/Pel's bemused reactions to the nuts surrounding him. But he also steps up to the level of satire, particularly about workplace issues and academics (Pel works in a university library's computer center, although alas there wasn't enough library detail for me). One of the highlights is when Pel has to lead an all-day retreat for dozens of co-workers, having completely forgotten about it until that morning.
[officious manager Bernard]: "...because we're going on it today. Now."
"You do have it all organized, don't you? I have asked a couple of times before and you've said..."
"No, it's all sorted."
"Yes, what's the...Oh, I see--the 'Oh shit' thing. Internet slang; it means 'Oh, shit.'" Unable to repeat the words with anything but the same inflection of sagging hopelessness, I did add two thumbs-up signs as I said it this time. "You know, like 'Let's go.'" I did the thumbs-up signs again. Bernard nodded. I could see he wanted to find this convincing, he really wanted to. "Oh shit," I said with thumbs one more time.
"I've never heard that before," said Bernard.
"It's a recent thing."
The job problems and trouble he gets into with Ursula are just as nail-biting as the main plot, which involves a boss who's disappeared (Pel has to take over his position, which is where the retreat assignment came from), Chinese gangsters, illegal construction, and missing money. Well-written, well-paced, brilliant dialogue, and laughs on every page--this is an amazing first novel.