"It's not for everyone, but we think it's a really efficient way of finding dates online," he says.The Big Short, the film adaptation of Michael Lewis' book of the same name about the causes of the financial crisis, opens in UK cinemas this weekend.
The most expensive option is Casanova, which also comes with a 10-minute pep talk before a first date. The majority of this cash is spend on the ads themsleves but Lovebook makes a small profit on each campaign.
How will the story stack up against the greatest films about business?
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James, who has just graduated from university, had the idea for the business when a friend complained that he couldn't meet women through existing dating apps and online services.
"Marco couldn't work out why people weren't responding so we decided to help him out," he explains.