Looking for a vegan mate, is like looking for a needle in a haystack. Vegans do not eating meat, milk, fish or eggs and veganism is still a minority pursuit, which means that vegans looking for vegan dates sometimes have a hard time.
He is looking for vegan love.
But it is not just convenience that drives him to seek someone with a similar diet. It is also a question of ethics. For Bourke, eating meat is morally wrong.
"I cannot condone non-veggies any more than I can condone people who beat their children.
"I do not want any part of the cruelty involved, not just in factory farming, but in any kind of animal farming.
"I did break up with someone over cheese," he says.
"Every week I go for restaurant meals and I meet dozens of friends, some of whom are very attractive, and sometimes things happen," says Bourke. "If I kiss someone I just do not want the hassle of wondering, what is stuck between her teeth?"
Looking for a vegan mate, however, is like looking for a needle in a haystack.
The British Vegan Society estimates that there are only some 150,000 vegans in the UK, out of 65 million people - that is about 1 in 400.
In the US the odds are a little better. The Vegetarian Resource Group estimates that there are some two million, out of a total population of 313 million - roughly one in 150. A Gallup poll published two weeks ago, on the other hand, suggests that as many as 2% of Americans are vegan.