When a vegan boy's lady love said:
"Listen, why don't we curl up in bed?"
The poor chappie sighed,
"No, I can't," he replied,
"When I see you, I think of the dead!"
Yahoo news 31/07/07:Vegans shun sex with carnivores, says researcher. Get the story here
There is no dearth of researchable topics, it seems :P