Just out of curiosity, why did you file this under "sick and twisted"? It makes a nice line with the previous posts, but this guy strikes me as decidedly romantic.

If you read the rest of the ads, you'd know.

I can imagine what the other ads were like. I just appreciated the creativity of the mitten crabs fellow. He made me think of a passage in Graham Swift's Waterland, where the narrator tells the story of the history of the efforts to discover the mating habits of eels. He traces it back to the origins of Western philosophy right through the nineteenth century and the transformation of "natural philosophy" into modern evolutionary biology. It's a heroic tale, but kind of in the bad sense: these men -- heroic men whose efforts seem unhampered by the needs of everyday existence -- individually create ideas, argue, research, confront adverse circumstances (including that other manly pursuit, war) and finally figure out how the eel reproduces. The story plays a different role in the novel, but I found myself thinking about the mitten crab guy because he is searching for someone to share his passion. It's lovely; like you, if everything were different I'd be tempted to respond as well. If not for the internet, I might even be tempted just to find out what a mitten crab is, and whether they are as tasty as their cousins...