disclaimer: my app.
"My first three wives divorced me because I always forgot anniversaries. I am pretty sure my fourth marriage will work thanks to the Girlfriend app?" Mark, 22
22 yr old who's been married 4 times? ;)
"I just drove by a brown barn and it reminded me of your eyes."
Etc...
http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewSoftwa...
(I'm assuming by "joke" you meant "not a real app.")
That would be worth 99 cents...